Q: What is the sum of all factors of the number 209,937 excluding 209,937?
A: 135,023
The factors of the number 209,937 are: 1, 3, 7, 13, 21, 39, 91, 273, 769, 2307, 5383, 9997, 16149, 29991, 69979, 209937.
If you add them up, you will get the total of 210,072. Now subtract 209,937 to get 135,023