215325009

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{6311}}^1$

素因数の和:6557

約数の個数: 24

約数和(自身を含む): 330849792

約数和(自身を除く): 115524783

約数列:

[1, 3, 9, 17, 51, 153, 223, 669, 2007, 3791, 6311, 11373, 18933, 34119, 56799, 107287, 321861, 965583, 1407353, 4222059, 12666177, 23925001, 71775003, 215325009]

約数ペア:

[(1, 215325009), (3, 71775003), (9, 23925001), (17, 12666177), (51, 4222059), (153, 1407353), (223, 965583), (669, 321861), (2007, 107287), (3791, 56799), (6311, 34119), (11373, 18933)]