The Carmichael function is a function that is similar to the Euler's totient function but is more general. It counts the number of positive integers less than or equal to n that are coprime to n, where n is an odd composite number.
The Carmichael function is a function that is similar to the Euler's totient function but is more general. It counts the number of positive integers less than or equal to n that are coprime to n, where n is an odd composite number.