Q: What is the sum of all factors of the number 405,225 excluding 405,225?
A: 320,981
The factors of the number 405,225 are: 1, 3, 5, 9, 15, 25, 45, 75, 225, 1801, 5403, 9005, 16209, 27015, 45025, 81045, 135075, 405225.
If you add them up, you will get the total of 405,545. Now subtract 405,225 to get 320,981