Q: What is the sum of all factors of the number 1,263,663 excluding 1,263,663?
A: 561,641
The factors of the number 1,263,663 are: 1, 3, 9, 140407, 421221, 1263663.
If you add them up, you will get the total of 1,264,224. Now subtract 1,263,663 to get 561,641