81608238

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{105437}}^1$

素因数の和:105488

約数の個数: 24

約数和(自身を含む): 180931608

約数和(自身を除く): 99323370

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 105437, 210874, 316311, 632622, 948933, 1897866, 4533791, 9067582, 13601373, 27202746, 40804119, 81608238]

約数ペア:

[(1, 81608238), (2, 40804119), (3, 27202746), (6, 13601373), (9, 9067582), (18, 4533791), (43, 1897866), (86, 948933), (129, 632622), (258, 316311), (387, 210874), (774, 105437)]