Q: What is the sum of all factors of the number 87,945 excluding 87,945?
A: 81,399
The factors of the number 87,945 are: 1, 3, 5, 11, 13, 15, 33, 39, 41, 55, 65, 123, 143, 165, 195, 205, 429, 451, 533, 615, 715, 1353, 1599, 2145, 2255, 2665, 5863, 6765, 7995, 17589, 29315, 87945.
If you add them up, you will get the total of 88,026. Now subtract 87,945 to get 81,399