Q: What is the sum of all factors of the number 3,549 excluding 3,549?
A: 2,307
The factors of the number 3,549 are: 1, 3, 7, 13, 21, 39, 91, 169, 273, 507, 1183, 3549.
If you add them up, you will get the total of 3,551. Now subtract 3,549 to get 2,307