Q: What is the sum of all factors of the number 305,121 excluding 305,121?
A: 135,519
The factors of the number 305,121 are: 1, 3, 19, 53, 57, 101, 159, 303, 1007, 1919, 3021, 5353, 5757, 16059, 101707, 305121.
If you add them up, you will get the total of 305,256. Now subtract 305,121 to get 135,519