15415855

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1993}}^1$

素因数の和:2035

約数の個数: 32

約数和(自身を含む): 24119424

約数和(自身を除く): 8703569

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 1993, 7735, 9965, 13951, 25909, 33881, 69755, 129545, 169405, 181363, 237167, 440453, 906815, 1185835, 2202265, 3083171, 15415855]

約数ペア:

[(1, 15415855), (5, 3083171), (7, 2202265), (13, 1185835), (17, 906815), (35, 440453), (65, 237167), (85, 181363), (91, 169405), (119, 129545), (221, 69755), (455, 33881), (595, 25909), (1105, 13951), (1547, 9965), (1993, 7735)]