Q: What is the sum of all factors of the number 8,253 excluding 8,253?
A: 5,475
The factors of the number 8,253 are: 1, 3, 7, 9, 21, 63, 131, 393, 917, 1179, 2751, 8253.
If you add them up, you will get the total of 8,258. Now subtract 8,253 to get 5,475