Q: What is the sum of all factors of the number 101,871 excluding 101,871?
A: 90,129
The factors of the number 101,871 are: 1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 343, 441, 539, 693, 1029, 1323, 1617, 2079, 3087, 3773, 4851, 9261, 11319, 14553, 33957, 101871.
If you add them up, you will get the total of 101,961. Now subtract 101,871 to get 90,129