Q: What is the sum of all factors of the number 133,731,381 excluding 133,731,381?

A: 76,835,787

Why is 76,835,787 the sum of all factors of 133,731,381, excluding 133,731,381?

The factors of the number 133,731,381 are: 1, 3, 7, 21, 41, 123, 127, 287, 381, 861, 889, 1223, 2667, 3669, 5207, 8561, 15621, 25683, 36449, 50143, 109347, 150429, 155321, 351001, 465963, 1053003, 1087247, 3261741, 6368161, 19104483, 44577127, 133731381.

If you add them up, you will get the total of 133,731,457. Now subtract 133,731,381 to get 76,835,787