Q: What is the sum of all factors of the number 42,405,309 excluding 42,405,309?
A: 21,449,731
The factors of the number 42,405,309 are: 1, 3, 9, 27, 61, 183, 549, 1647, 25747, 77241, 231723, 695169, 1570567, 4711701, 14135103, 42405309.
If you add them up, you will get the total of 42,405,330. Now subtract 42,405,309 to get 21,449,731