Q: What is the sum of all factors of the number 15,729 excluding 15,729?
A: 8,895
The factors of the number 15,729 are: 1, 3, 7, 21, 49, 107, 147, 321, 749, 2247, 5243, 15729.
If you add them up, you will get the total of 15,737. Now subtract 15,729 to get 8,895