Q: What is the sum of all factors of the number 90,009 excluding 90,009?
A: 42,747
The factors of the number 90,009 are: 1, 3, 9, 73, 137, 219, 411, 657, 1233, 10001, 30003, 90009.
If you add them up, you will get the total of 90,051. Now subtract 90,009 to get 42,747