Q: What is the sum of all factors of the number 133,223,321 excluding 133,223,321?

A: 37,357,927

Why is 37,357,927 the sum of all factors of 133,223,321, excluding 133,223,321?

The factors of the number 133,223,321 are: 1, 7, 11, 73, 77, 137, 173, 511, 803, 959, 1211, 1507, 1903, 5621, 10001, 10549, 12629, 13321, 23701, 70007, 88403, 110011, 138919, 165907, 260711, 770077, 972433, 1730173, 1824977, 12111211, 19031903, 133223321.

If you add them up, you will get the total of 133,223,358. Now subtract 133,223,321 to get 37,357,927