1331551165

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1293

約数の個数: 32

約数和(自身を含む): 1846540800

約数和(自身を除く): 514989635

約数列:

[1, 5, 7, 35, 149, 311, 745, 821, 1043, 1555, 2177, 4105, 5215, 5747, 10885, 28735, 46339, 122329, 231695, 255331, 324373, 611645, 856303, 1276655, 1621865, 1787317, 4281515, 8936585, 38044319, 190221595, 266310233, 1331551165]

約数ペア:

[(1, 1331551165), (5, 266310233), (7, 190221595), (35, 38044319), (149, 8936585), (311, 4281515), (745, 1787317), (821, 1621865), (1043, 1276655), (1555, 856303), (2177, 611645), (4105, 324373), (5215, 255331), (5747, 231695), (10885, 122329), (28735, 46339)]