Divisor Sum of 24,255

Example of Divisor Sum of Integer

 * $\map {\sigma_1} {24 \, 255} = 53 \, 352$

where $\sigma_1$ denotes the divisor sum function.

Proof
We have that:
 * $24 \, 255 = 3^2 \times 5 \times 7^2 \times 11$

Hence: