11991807

素因数分解:

$3^5\times {\mathrm{61}}^1\times {\mathrm{809}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 18280080

約数和(自身を除く): 6288273

約数列:

[1, 3, 9, 27, 61, 81, 183, 243, 549, 809, 1647, 2427, 4941, 7281, 14823, 21843, 49349, 65529, 148047, 196587, 444141, 1332423, 3997269, 11991807]

約数ペア:

[(1, 11991807), (3, 3997269), (9, 1332423), (27, 444141), (61, 196587), (81, 148047), (183, 65529), (243, 49349), (549, 21843), (809, 14823), (1647, 7281), (2427, 4941)]