Q: What is the sum of all factors of the number 1,209,157 excluding 1,209,157?
A: 3,143
The factors of the number 1,209,157 are: 1, 449, 2693, 1209157.
If you add them up, you will get the total of 1,209,160. Now subtract 1,209,157 to get 3,143