Q: What is the sum of all factors of the number 335,263,401 excluding 335,263,401?

A: 221,238,999

Why is 221,238,999 the sum of all factors of 335,263,401, excluding 335,263,401?

The factors of the number 335,263,401 are: 1, 3, 9, 11, 27, 33, 37, 99, 111, 297, 333, 407, 999, 1221, 3663, 10989, 30509, 91527, 274581, 335599, 823743, 1006797, 1128833, 3020391, 3386499, 9061173, 10159497, 12417163, 30478491, 37251489, 111754467, 335263401.

If you add them up, you will get the total of 335,263,622. Now subtract 335,263,401 to get 221,238,999