1980165

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1091}}^1$

素因数の和:1121

約数の個数: 24

約数和(自身を含む): 3485664

約数和(自身を除く): 1505499

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1091, 1815, 3273, 5455, 12001, 16365, 36003, 60005, 132011, 180015, 396033, 660055, 1980165]

約数ペア:

[(1, 1980165), (3, 660055), (5, 396033), (11, 180015), (15, 132011), (33, 60005), (55, 36003), (121, 16365), (165, 12001), (363, 5455), (605, 3273), (1091, 1815)]