81485946

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1847}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 195148800

約数和(自身を除く): 113662854

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 43, 54, 57, 86, 114, 129, 171, 258, 342, 387, 513, 774, 817, 1026, 1161, 1634, 1847, 2322, 2451, 3694, 4902, 5541, 7353, 11082, 14706, 16623, 22059, 33246, 35093, 44118, 49869, 70186, 79421, 99738, 105279, 158842, 210558, 238263, 315837, 476526, 631674, 714789, 947511, 1429578, 1508999, 1895022, 2144367, 3017998, 4288734, 4526997, 9053994, 13580991, 27161982, 40742973, 81485946]

約数ペア:

[(1, 81485946), (2, 40742973), (3, 27161982), (6, 13580991), (9, 9053994), (18, 4526997), (19, 4288734), (27, 3017998), (38, 2144367), (43, 1895022), (54, 1508999), (57, 1429578), (86, 947511), (114, 714789), (129, 631674), (171, 476526), (258, 315837), (342, 238263), (387, 210558), (513, 158842), (774, 105279), (817, 99738), (1026, 79421), (1161, 70186), (1634, 49869), (1847, 44118), (2322, 35093), (2451, 33246), (3694, 22059), (4902, 16623), (5541, 14706), (7353, 11082)]