81207306

素因数分解:

$2^1\times 3^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{853}}^1$

素因数の和:948

約数の個数: 64

約数和(自身を含む): 189383040

約数和(自身を除く): 108175734

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 43, 54, 82, 86, 123, 129, 246, 258, 369, 387, 738, 774, 853, 1107, 1161, 1706, 1763, 2214, 2322, 2559, 3526, 5118, 5289, 7677, 10578, 15354, 15867, 23031, 31734, 34973, 36679, 46062, 47601, 69946, 73358, 95202, 104919, 110037, 209838, 220074, 314757, 330111, 629514, 660222, 944271, 990333, 1503839, 1888542, 1980666, 3007678, 4511517, 9023034, 13534551, 27069102, 40603653, 81207306]

約数ペア:

[(1, 81207306), (2, 40603653), (3, 27069102), (6, 13534551), (9, 9023034), (18, 4511517), (27, 3007678), (41, 1980666), (43, 1888542), (54, 1503839), (82, 990333), (86, 944271), (123, 660222), (129, 629514), (246, 330111), (258, 314757), (369, 220074), (387, 209838), (738, 110037), (774, 104919), (853, 95202), (1107, 73358), (1161, 69946), (1706, 47601), (1763, 46062), (2214, 36679), (2322, 34973), (2559, 31734), (3526, 23031), (5118, 15867), (5289, 15354), (7677, 10578)]