Q: What is the sum of all factors of the number 13,875 excluding 13,875?
A: 9,837
The factors of the number 13,875 are: 1, 3, 5, 15, 25, 37, 75, 111, 125, 185, 375, 555, 925, 2775, 4625, 13875.
If you add them up, you will get the total of 13,884. Now subtract 13,875 to get 9,837