Q: What is the sum of all factors of the number 1,242,405 excluding 1,242,405?
A: 966,555
The factors of the number 1,242,405 are: 1, 3, 5, 9, 15, 27, 45, 135, 9203, 27609, 46015, 82827, 138045, 248481, 414135, 1242405.
If you add them up, you will get the total of 1,243,371. Now subtract 1,242,405 to get 966,555