Q: What is the sum of all factors of the number 206,401,065 excluding 206,401,065?

A: 150,745,431

Why is 150,745,431 the sum of all factors of 206,401,065, excluding 206,401,065?

The factors of the number 206,401,065 are: 1, 3, 5, 13, 15, 39, 65, 195, 251, 753, 1255, 3263, 3765, 4217, 9789, 12651, 16315, 21085, 48945, 54821, 63255, 164463, 274105, 822315, 1058467, 3175401, 5292335, 13760071, 15877005, 41280213, 68800355, 206401065.

If you add them up, you will get the total of 206,401,215. Now subtract 206,401,065 to get 150,745,431