Q: What is the sum of all factors of the number 3,195 excluding 3,195?
A: 2,421
The factors of the number 3,195 are: 1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195.
If you add them up, you will get the total of 3,197. Now subtract 3,195 to get 2,421