138317907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{17471}}^1$

素因数の和:17523

約数の個数: 32

約数和(自身を含む): 234823680

約数和(自身を除く): 96505773

約数列:

[1, 3, 7, 13, 21, 29, 39, 87, 91, 203, 273, 377, 609, 1131, 2639, 7917, 17471, 52413, 122297, 227123, 366891, 506659, 681369, 1519977, 1589861, 3546613, 4769583, 6586567, 10639839, 19759701, 46105969, 138317907]

約数ペア:

[(1, 138317907), (3, 46105969), (7, 19759701), (13, 10639839), (21, 6586567), (29, 4769583), (39, 3546613), (87, 1589861), (91, 1519977), (203, 681369), (273, 506659), (377, 366891), (609, 227123), (1131, 122297), (2639, 52413), (7917, 17471)]