Q: What is the sum of all factors of the number 4,125 excluding 4,125?
A: 3,363
The factors of the number 4,125 are: 1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125.
If you add them up, you will get the total of 4,128. Now subtract 4,125 to get 3,363