Q: What is the sum of all factors of the number 1,213,887 excluding 1,213,887?
A: 479,553
The factors of the number 1,213,887 are: 1, 3, 41, 71, 123, 139, 213, 417, 2911, 5699, 8733, 9869, 17097, 29607, 404629, 1213887.
If you add them up, you will get the total of 1,214,366. Now subtract 1,213,887 to get 479,553