Q: What is the sum of all factors of the number 306,255 excluding 306,255?
A: 213,009
The factors of the number 306,255 are: 1, 3, 5, 15, 17, 51, 85, 255, 1201, 3603, 6005, 18015, 20417, 61251, 102085, 306255.
If you add them up, you will get the total of 306,468. Now subtract 306,255 to get 213,009