Q: What is the sum of all factors of the number 1,255,221 excluding 1,255,221?
A: 791,499
The factors of the number 1,255,221 are: 1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 409, 1023, 1227, 3069, 3681, 4499, 12679, 13497, 38037, 40491, 114111, 139469, 418407, 1255221.
If you add them up, you will get the total of 1,256,012. Now subtract 1,255,221 to get 791,499