Q: What is the sum of all factors of the number 4,455 excluding 4,455?
A: 4,257
The factors of the number 4,455 are: 1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 297, 405, 495, 891, 1485, 4455.
If you add them up, you will get the total of 4,459. Now subtract 4,455 to get 4,257