81406872

素因数分解:

$2^3\times 3^2\times {\mathrm{1130651}}^1$

素因数の和:1130663

約数の個数: 24

約数和(自身を含む): 220477140

約数和(自身を除く): 139070268

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 1130651, 2261302, 3391953, 4522604, 6783906, 9045208, 10175859, 13567812, 20351718, 27135624, 40703436, 81406872]

約数ペア:

[(1, 81406872), (2, 40703436), (3, 27135624), (4, 20351718), (6, 13567812), (8, 10175859), (9, 9045208), (12, 6783906), (18, 4522604), (24, 3391953), (36, 2261302), (72, 1130651)]