Q: What is the sum of all factors of the number 9,009 excluding 9,009?
A: 8,463
The factors of the number 9,009 are: 1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 3003, 9009.
If you add them up, you will get the total of 9,017. Now subtract 9,009 to get 8,463