Q: What is the sum of all factors of the number 6,375 excluding 6,375?
A: 4,857
The factors of the number 6,375 are: 1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 6375.
If you add them up, you will get the total of 6,379. Now subtract 6,375 to get 4,857