Q: What is the sum of all factors of the number 1,389,879 excluding 1,389,879?
A: 686,481
The factors of the number 1,389,879 are: 1, 3, 9, 27, 81, 17159, 51477, 154431, 463293, 1389879.
If you add them up, you will get the total of 1,390,565. Now subtract 1,389,879 to get 686,481