Last Updated：2025/11/19

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(number theory) The function that counts how many integers below a given integer are coprime to it.

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Euler's totient function

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Source Word

Euler's totient function

Proper noun

(number theory) The function that counts how many integers below a given integer are coprime to it.

Japanese Meaning

ある整数より小さい自然数の中から、その整数と互いに素なものの個数を数える関数。

What is this buttons?

Euler's totient function counts the positive integers less than a given integer that are coprime to it, and it plays a central role in many results in number theory.

Google Translation / DeepL Translation

オイラーのトーシェント関数は、ある整数より小さい正の整数のうち互いに素であるものの個数を数える関数であり、整数論の多くの結果で重要な役割を果たします。

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Sense（1）

(number theory) The function that counts how many integers below a given integer are coprime to it.

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Euler's totient function

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Euler's totient function

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