81019998

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{104677}}^1$

素因数の和:104728

約数の個数: 24

約数和(自身を含む): 179627448

約数和(自身を除く): 98607450

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 104677, 209354, 314031, 628062, 942093, 1884186, 4501111, 9002222, 13503333, 27006666, 40509999, 81019998]

約数ペア:

[(1, 81019998), (2, 40509999), (3, 27006666), (6, 13503333), (9, 9002222), (18, 4501111), (43, 1884186), (86, 942093), (129, 628062), (258, 314031), (387, 209354), (774, 104677)]