215688057

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{291077}}^1$

素因数の和:291112

約数の個数: 16

約数和(自身を含む): 326007360

約数和(自身を除く): 110319303

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 291077, 873231, 3784001, 5530463, 11352003, 16591389, 71896019, 215688057]

約数ペア:

[(1, 215688057), (3, 71896019), (13, 16591389), (19, 11352003), (39, 5530463), (57, 3784001), (247, 873231), (741, 291077)]