81326646

素因数分解:

$2^1\times 3^3\times {\mathrm{277}}^1\times {\mathrm{5437}}^1$

素因数の和:5725

約数の個数: 32

約数和(自身を含む): 181411680

約数和(自身を除く): 100085034

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 277, 554, 831, 1662, 2493, 4986, 5437, 7479, 10874, 14958, 16311, 32622, 48933, 97866, 146799, 293598, 1506049, 3012098, 4518147, 9036294, 13554441, 27108882, 40663323, 81326646]

約数ペア:

[(1, 81326646), (2, 40663323), (3, 27108882), (6, 13554441), (9, 9036294), (18, 4518147), (27, 3012098), (54, 1506049), (277, 293598), (554, 146799), (831, 97866), (1662, 48933), (2493, 32622), (4986, 16311), (5437, 14958), (7479, 10874)]