Q: What is the sum of all factors of the number 1,242,243 excluding 1,242,243?
A: 616,957
The factors of the number 1,242,243 are: 1, 3, 9, 27, 139, 331, 417, 993, 1251, 2979, 3753, 8937, 46009, 138027, 414081, 1242243.
If you add them up, you will get the total of 1,242,859. Now subtract 1,242,243 to get 616,957