1808045307

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{2671}}^1$

素因数の和:2881

約数の個数: 40

約数和(自身を含む): 2766257472

約数和(自身を除く): 958212165

約数列:

[1, 3, 9, 27, 61, 81, 137, 183, 411, 549, 1233, 1647, 2671, 3699, 4941, 8013, 8357, 11097, 24039, 25071, 72117, 75213, 162931, 216351, 225639, 365927, 488793, 676917, 1097781, 1466379, 3293343, 4399137, 9880029, 13197411, 22321547, 29640087, 66964641, 200893923, 602681769, 1808045307]

約数ペア:

[(1, 1808045307), (3, 602681769), (9, 200893923), (27, 66964641), (61, 29640087), (81, 22321547), (137, 13197411), (183, 9880029), (411, 4399137), (549, 3293343), (1233, 1466379), (1647, 1097781), (2671, 676917), (3699, 488793), (4941, 365927), (8013, 225639), (8357, 216351), (11097, 162931), (24039, 75213), (25071, 72117)]