Q: What is the sum of all factors of the number 28,539 excluding 28,539?
A: 20,101
The factors of the number 28,539 are: 1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 1057, 1359, 3171, 4077, 9513, 28539.
If you add them up, you will get the total of 28,559. Now subtract 28,539 to get 20,101