Q: What is the sum of all factors of the number 1,020,243 excluding 1,020,243?
A: 616,877
The factors of the number 1,020,243 are: 1, 3, 7, 19, 21, 57, 133, 399, 2557, 7671, 17899, 48583, 53697, 145749, 340081, 1020243.
If you add them up, you will get the total of 1,020,859. Now subtract 1,020,243 to get 616,877