Q: What is the sum of all factors of the number 388,143 excluding 388,143?
A: 269,553
The factors of the number 388,143 are: 1, 3, 7, 9, 21, 61, 63, 101, 183, 303, 427, 549, 707, 909, 1281, 2121, 3843, 6161, 6363, 18483, 43127, 55449, 129381, 388143.
If you add them up, you will get the total of 388,412. Now subtract 388,143 to get 269,553