Q: What is the sum of all factors of the number 30,855 excluding 30,855?
A: 26,601
The factors of the number 30,855 are: 1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 121, 165, 187, 255, 363, 561, 605, 935, 1815, 2057, 2805, 6171, 10285, 30855.
If you add them up, you will get the total of 30,881. Now subtract 30,855 to get 26,601