Q: What is the sum of all factors of the number 399,591 excluding 399,591?
A: 197,889
The factors of the number 399,591 are: 1, 3, 9, 29, 87, 261, 1531, 4593, 13779, 44399, 133197, 399591.
If you add them up, you will get the total of 399,788. Now subtract 399,591 to get 197,889