For $n$ a positive integer, let $f(n)$ be the squarefree part of $n$.
Find the Euler product for $\mathfrak D_{f}(s)$ where $\mathfrak D_{f}(s)$ is the Dirichlet Series of $f$.
For $n$ a positive integer, let $f(n)$ be the squarefree part of $n$.
Find the Euler product for $\mathfrak D_{f}(s)$ where $\mathfrak D_{f}(s)$ is the Dirichlet Series of $f$.