Q: What is the sum of all factors of the number 10,431 excluding 10,431?
A: 5,689
The factors of the number 10,431 are: 1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 3477, 10431.
If you add them up, you will get the total of 10,436. Now subtract 10,431 to get 5,689