Q: What is the sum of all factors of the number 12,390,987 excluding 12,390,987?
A: 6,720,693
The factors of the number 12,390,987 are: 1, 3, 7, 21, 83, 249, 581, 1743, 7109, 21327, 49763, 149289, 590047, 1770141, 4130329, 12390987.
If you add them up, you will get the total of 12,390,993. Now subtract 12,390,987 to get 6,720,693