Q: What is the sum of all factors of the number 243,553,233 excluding 243,553,233?

A: 178,926,639

Why is 178,926,639 the sum of all factors of 243,553,233, excluding 243,553,233?

The factors of the number 243,553,233 are: 1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 45841, 137523, 320887, 504251, 962661, 1054343, 1512753, 3163029, 3529757, 7380401, 10589271, 11597773, 22141203, 34793319, 81184411, 243553233.

If you add them up, you will get the total of 243,553,411. Now subtract 243,553,233 to get 178,926,639