20210820165

素因数分解:

$3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1453493}}^1$

素因数の和:1453610

約数の個数: 32

約数和(自身を含む): 36279210240

約数和(自身を除く): 16068390075

約数列:

[1, 3, 5, 9, 15, 27, 45, 103, 135, 309, 515, 927, 1545, 2781, 4635, 13905, 1453493, 4360479, 7267465, 13081437, 21802395, 39244311, 65407185, 149709779, 196221555, 449129337, 748548895, 1347388011, 2245646685, 4042164033, 6736940055, 20210820165]

約数ペア:

[(1, 20210820165), (3, 6736940055), (5, 4042164033), (9, 2245646685), (15, 1347388011), (27, 748548895), (45, 449129337), (103, 196221555), (135, 149709779), (309, 65407185), (515, 39244311), (927, 21802395), (1545, 13081437), (2781, 7267465), (4635, 4360479), (13905, 1453493)]