Q: What is the sum of all factors of the number 45,123 excluding 45,123?
A: 20,757
The factors of the number 45,123 are: 1, 3, 13, 39, 89, 169, 267, 507, 1157, 3471, 15041, 45123.
If you add them up, you will get the total of 45,143. Now subtract 45,123 to get 20,757