42012009

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2621}}^1$

素因数の和:2777

約数の個数: 24

約数和(自身を含む): 65854152

約数和(自身を除く): 23842143

約数列:

[1, 3, 9, 13, 39, 117, 137, 411, 1233, 1781, 2621, 5343, 7863, 16029, 23589, 34073, 102219, 306657, 359077, 1077231, 3231693, 4668001, 14004003, 42012009]

約数ペア:

[(1, 42012009), (3, 14004003), (9, 4668001), (13, 3231693), (39, 1077231), (117, 359077), (137, 306657), (411, 102219), (1233, 34073), (1781, 23589), (2621, 16029), (5343, 7863)]