217410855

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{1291}}^1$

素因数の和:1511

約数の個数: 32

約数和(自身を含む): 354731520

約数和(自身を除く): 137320665

約数列:

[1, 3, 5, 15, 103, 109, 309, 327, 515, 545, 1291, 1545, 1635, 3873, 6455, 11227, 19365, 33681, 56135, 132973, 140719, 168405, 398919, 422157, 664865, 703595, 1994595, 2110785, 14494057, 43482171, 72470285, 217410855]

約数ペア:

[(1, 217410855), (3, 72470285), (5, 43482171), (15, 14494057), (103, 2110785), (109, 1994595), (309, 703595), (327, 664865), (515, 422157), (545, 398919), (1291, 168405), (1545, 140719), (1635, 132973), (3873, 56135), (6455, 33681), (11227, 19365)]