31092225

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 54472704

約数和(自身を除く): 23380479

約数列:

[1, 3, 5, 15, 25, 31, 43, 75, 93, 129, 155, 215, 311, 465, 645, 775, 933, 1075, 1333, 1555, 2325, 3225, 3999, 4665, 6665, 7775, 9641, 13373, 19995, 23325, 28923, 33325, 40119, 48205, 66865, 99975, 144615, 200595, 241025, 334325, 414563, 723075, 1002975, 1243689, 2072815, 6218445, 10364075, 31092225]

約数ペア:

[(1, 31092225), (3, 10364075), (5, 6218445), (15, 2072815), (25, 1243689), (31, 1002975), (43, 723075), (75, 414563), (93, 334325), (129, 241025), (155, 200595), (215, 144615), (311, 99975), (465, 66865), (645, 48205), (775, 40119), (933, 33325), (1075, 28923), (1333, 23325), (1555, 19995), (2325, 13373), (3225, 9641), (3999, 7775), (4665, 6665)]