Q: What is the sum of all factors of the number 302,991 excluding 302,991?
A: 158,673
The factors of the number 302,991 are: 1, 3, 13, 17, 39, 51, 221, 457, 663, 1371, 5941, 7769, 17823, 23307, 100997, 302991.
If you add them up, you will get the total of 303,149. Now subtract 302,991 to get 158,673