81568404

素因数分解:

$2^2\times 3^3\times {\mathrm{691}}^1\times {\mathrm{1093}}^1$

素因数の和:1797

約数の個数: 48

約数和(自身を含む): 211973440

約数和(自身を除く): 130405036

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 691, 1093, 1382, 2073, 2186, 2764, 3279, 4146, 4372, 6219, 6558, 8292, 9837, 12438, 13116, 18657, 19674, 24876, 29511, 37314, 39348, 59022, 74628, 118044, 755263, 1510526, 2265789, 3021052, 4531578, 6797367, 9063156, 13594734, 20392101, 27189468, 40784202, 81568404]

約数ペア:

[(1, 81568404), (2, 40784202), (3, 27189468), (4, 20392101), (6, 13594734), (9, 9063156), (12, 6797367), (18, 4531578), (27, 3021052), (36, 2265789), (54, 1510526), (108, 755263), (691, 118044), (1093, 74628), (1382, 59022), (2073, 39348), (2186, 37314), (2764, 29511), (3279, 24876), (4146, 19674), (4372, 18657), (6219, 13116), (6558, 12438), (8292, 9837)]