Q: What is the sum of all factors of the number 12,103 excluding 12,103?
A: 3,857
The factors of the number 12,103 are: 1, 7, 13, 19, 49, 91, 133, 247, 637, 931, 1729, 12103.
If you add them up, you will get the total of 12,106. Now subtract 12,103 to get 3,857