Q: What is the sum of all factors of the number 113,111,999 excluding 113,111,999?

A: 55,264,321

Why is 55,264,321 the sum of all factors of 113,111,999, excluding 113,111,999?

The factors of the number 113,111,999 are: 1, 7, 11, 13, 17, 23, 77, 91, 119, 143, 161, 187, 221, 253, 289, 299, 391, 1001, 1309, 1547, 1771, 2023, 2093, 2431, 2737, 3179, 3289, 3757, 4301, 4913, 5083, 6647, 17017, 22253, 23023, 26299, 30107, 34391, 35581, 41327, 46529, 54043, 55913, 63869, 73117, 86411, 112999, 289289, 378301, 391391, 447083, 511819, 604877, 702559, 790993, 950521, 1242989, 1468987, 4917913, 6653647, 8700923, 10282909, 16158857, 113111999.

If you add them up, you will get the total of 113,112,054. Now subtract 113,111,999 to get 55,264,321