Q: What is the sum of all factors of the number 1,280,307 including 1,280,307?
A: 1,999,872
The factors of the number 1,280,307 are: 1, 3, 7, 21, 41, 123, 287, 861, 1487, 4461, 10409, 31227, 60967, 182901, 426769, 1280307.
If you add them up, you will get the total of 1,999,872.