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 $\sigma_1$ of $523 \, 776$:

$\map {\sigma_1} {523 \, 776} = 1 \, 571 \, 328$

Hence the result.

$\blacksquare$

Sources

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $523,776$
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $523,776$