Q: What is the sum of all factors of the number 1,353,639 excluding 1,353,639?
A: 739,673
The factors of the number 1,353,639 are: 1, 3, 7, 21, 73, 219, 511, 883, 1533, 2649, 6181, 18543, 64459, 193377, 451213, 1353639.
If you add them up, you will get the total of 1,354,378. Now subtract 1,353,639 to get 739,673