Q: What is the sum of all factors of the number 28,971 excluding 28,971?
A: 16,629
The factors of the number 28,971 are: 1, 3, 9, 27, 29, 37, 87, 111, 261, 333, 783, 999, 1073, 3219, 9657, 28971.
If you add them up, you will get the total of 28,987. Now subtract 28,971 to get 16,629