Q: What is the sum of all factors of the number 15,873 excluding 15,873?
A: 9,663
The factors of the number 15,873 are: 1, 3, 11, 13, 33, 37, 39, 111, 143, 407, 429, 481, 1221, 1443, 5291, 15873.
If you add them up, you will get the total of 15,882. Now subtract 15,873 to get 9,663