Q: What is the sum of all factors of the number 201,903 excluding 201,903?
A: 99,153
The factors of the number 201,903 are: 1, 3, 13, 31, 39, 93, 167, 403, 501, 1209, 2171, 5177, 6513, 15531, 67301, 201903.
If you add them up, you will get the total of 202,002. Now subtract 201,903 to get 99,153