Q: What is the sum of all factors of the number 150,921 excluding 150,921?
A: 72,939
The factors of the number 150,921 are: 1, 3, 9, 41, 123, 369, 409, 1227, 3681, 16769, 50307, 150921.
If you add them up, you will get the total of 150,993. Now subtract 150,921 to get 72,939