Q: What is the sum of all factors of the number 15,309,991 excluding 15,309,991?
A: 805,809
The factors of the number 15,309,991 are: 1, 19, 805789, 15309991.
If you add them up, you will get the total of 15,310,796. Now subtract 15,309,991 to get 805,809