Q: What is the sum of all factors of the number 312,987 excluding 312,987?
A: 154,881
The factors of the number 312,987 are: 1, 3, 17, 19, 51, 57, 289, 323, 361, 867, 969, 1083, 5491, 6137, 16473, 18411, 104329, 312987.
If you add them up, you will get the total of 313,141. Now subtract 312,987 to get 154,881