Q: What is the sum of all factors of the number 631,971 excluding 631,971?
A: 356,445
The factors of the number 631,971 are: 1, 3, 9, 23, 43, 69, 71, 129, 207, 213, 387, 639, 989, 1633, 2967, 3053, 4899, 8901, 9159, 14697, 27477, 70219, 210657, 631971.
If you add them up, you will get the total of 632,327. Now subtract 631,971 to get 356,445