12172257

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:497

約数の個数: 24

約数和(自身を含む): 18369000

約数和(自身を除く): 6196743

約数列:

[1, 3, 9, 29, 87, 149, 261, 313, 447, 939, 1341, 2817, 4321, 9077, 12963, 27231, 38889, 46637, 81693, 139911, 419733, 1352473, 4057419, 12172257]

約数ペア:

[(1, 12172257), (3, 4057419), (9, 1352473), (29, 419733), (87, 139911), (149, 81693), (261, 46637), (313, 38889), (447, 27231), (939, 12963), (1341, 9077), (2817, 4321)]