Q: What is the sum of all factors of the number 2,143,815 excluding 2,143,815?
A: 1,315,641
The factors of the number 2,143,815 are: 1, 3, 5, 15, 131, 393, 655, 1091, 1965, 3273, 5455, 16365, 142921, 428763, 714605, 2143815.
If you add them up, you will get the total of 2,143,816. Now subtract 2,143,815 to get 1,315,641