Divisor Sum of 27,405

Example of Divisor Sum of Integer

 * $\map {\sigma_1} {27 \, 405} = 57 \, 600$

where $\sigma_1$ denotes the divisor sum function.

Proof
We have that:
 * $27 \, 405 = 3^3 \times 5 \times 7 \times 29$

Hence: