28056717

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{8269}}^1$

素因数の和:8317

約数の個数: 24

約数和(自身を含む): 45154200

約数和(自身を除く): 17097483

約数列:

[1, 3, 9, 13, 29, 39, 87, 117, 261, 377, 1131, 3393, 8269, 24807, 74421, 107497, 239801, 322491, 719403, 967473, 2158209, 3117413, 9352239, 28056717]

約数ペア:

[(1, 28056717), (3, 9352239), (9, 3117413), (13, 2158209), (29, 967473), (39, 719403), (87, 322491), (117, 239801), (261, 107497), (377, 74421), (1131, 24807), (3393, 8269)]