Q: What is the sum of all factors of the number 400,404,411 excluding 400,404,411?

A: 248,828,229

Why is 248,828,229 the sum of all factors of 400,404,411, excluding 400,404,411?

The factors of the number 400,404,411 are: 1, 3, 9, 11, 27, 33, 99, 297, 331, 993, 2979, 3641, 4073, 8937, 10923, 12219, 32769, 36657, 44803, 98307, 109971, 134409, 403227, 1209681, 1348163, 4044489, 12133467, 14829793, 36400401, 44489379, 133468137, 400404411.

If you add them up, you will get the total of 400,404,659. Now subtract 400,404,411 to get 248,828,229