ぷちプロシリーズ（３４）オイラーのφ関数

Calculate the value of Euler's φ function.

Calculate the value of Euler's φ function.

■ What is φ function?

A function that returns the number of natural numbers 1 or more and n or less that are relatively prime to n for a positive integer n.

■ How to use

-Enter the value of n in the green frame and press Enter. Outputs the value of φ (n).

-Also, in the "Natural numbers relatively prime to n" column, list the natural numbers that are the target of φ (n). If there are many, please scroll. If n is a prime number, it is displayed in a range.