뫼비우스 함수
개요
- 산술함수
- 정의
\[ \mu(n) = \begin{cases} 1 & \text{if $n$ is a square-free positive integer with an even number of prime factors} \\ -1 & \text{if $n$ is a square-free positive integer with an odd number of prime factors} \\ 0 & \text{if $n$ has a squared prime factor} \\ \end{cases} \]
관련된 항목들