Q: What is the sum of all factors of the number 1,687,309 excluding 1,687,309?
A: 129,807
The factors of the number 1,687,309 are: 1, 13, 129793, 1687309.
If you add them up, you will get the total of 1,687,438. Now subtract 1,687,309 to get 129,807