Q: What is the sum of all factors of the number 10,400,013 excluding 10,400,013?
A: 5,953,779
The factors of the number 10,400,013 are: 1, 3, 9, 13, 39, 103, 117, 309, 863, 927, 1339, 2589, 4017, 7767, 11219, 12051, 33657, 88889, 100971, 266667, 800001, 1155557, 3466671, 10400013.
If you add them up, you will get the total of 10,400,018. Now subtract 10,400,013 to get 5,953,779