Q: What is the sum of all factors of the number 123,903 excluding 123,903?
A: 74,337
The factors of the number 123,903 are: 1, 3, 9, 13, 27, 39, 117, 351, 353, 1059, 3177, 4589, 9531, 13767, 41301, 123903.
If you add them up, you will get the total of 123,977. Now subtract 123,903 to get 74,337