Q: What is the sum of all factors of the number 1,281,387 including 1,281,387?
A: 1,725,840
The factors of the number 1,281,387 are: 1, 3, 101, 303, 4229, 12687, 427129, 1281387.
If you add them up, you will get the total of 1,725,840.