Q: What is the sum of all factors of the number 243,903 excluding 243,903?
A: 130,497
The factors of the number 243,903 are: 1, 3, 11, 19, 33, 57, 209, 389, 627, 1167, 4279, 7391, 12837, 22173, 81301, 243903.
If you add them up, you will get the total of 244,033. Now subtract 243,903 to get 130,497