81931110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{227}}^2$

素因数の和:517

約数の個数: 48

約数和(自身を含む): 201231216

約数和(自身を除く): 119300106

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 227, 265, 318, 454, 530, 681, 795, 1135, 1362, 1590, 2270, 3405, 6810, 12031, 24062, 36093, 51529, 60155, 72186, 103058, 120310, 154587, 180465, 257645, 309174, 360930, 515290, 772935, 1545870, 2731037, 5462074, 8193111, 13655185, 16386222, 27310370, 40965555, 81931110]

約数ペア:

[(1, 81931110), (2, 40965555), (3, 27310370), (5, 16386222), (6, 13655185), (10, 8193111), (15, 5462074), (30, 2731037), (53, 1545870), (106, 772935), (159, 515290), (227, 360930), (265, 309174), (318, 257645), (454, 180465), (530, 154587), (681, 120310), (795, 103058), (1135, 72186), (1362, 60155), (1590, 51529), (2270, 36093), (3405, 24062), (6810, 12031)]