Q: What is the sum of all factors of the number 1,289,223 excluding 1,289,223?
A: 768,217
The factors of the number 1,289,223 are: 1, 3, 9, 13, 27, 39, 117, 351, 3673, 11019, 33057, 47749, 99171, 143247, 429741, 1289223.
If you add them up, you will get the total of 1,289,991. Now subtract 1,289,223 to get 768,217