Q: What is the sum of all factors of the number 1,261,815 including 1,261,815?
A: 2,018,928
The factors of the number 1,261,815 are: 1, 3, 5, 15, 84121, 252363, 420605, 1261815.
If you add them up, you will get the total of 2,018,928.