Q: What is the sum of all factors of the number 3,375 excluding 3,375?
A: 2,865
The factors of the number 3,375 are: 1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375.
If you add them up, you will get the total of 3,377. Now subtract 3,375 to get 2,865