Triperfect Number/Examples/523,776

Example of Triperfect Number
$523 \, 776$ is triperfect:
 * $\map {\sigma_1} {523 \, 776} = 1 \, 571 \, 328 = 3 \times 523 \, 776$

Proof
From :
 * $\map {\sigma_1} {523 \, 776} = 1 \, 571 \, 328$

Hence the result.