Q: What is the sum of all factors of the number 13,765,221 excluding 13,765,221?
A: 7,425,403
The factors of the number 13,765,221 are: 1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 1531, 2997, 4593, 8991, 13779, 41337, 56647, 124011, 169941, 372033, 509823, 1529469, 4588407, 13765221.
If you add them up, you will get the total of 13,765,228. Now subtract 13,765,221 to get 7,425,403