81855468

素因数分解:

$2^2\times 3^3\times {\mathrm{709}}^1\times {\mathrm{1069}}^1$

素因数の和:1791

約数の個数: 48

約数和(自身を含む): 212716000

約数和(自身を除く): 130860532

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 709, 1069, 1418, 2127, 2138, 2836, 3207, 4254, 4276, 6381, 6414, 8508, 9621, 12762, 12828, 19143, 19242, 25524, 28863, 38286, 38484, 57726, 76572, 115452, 757921, 1515842, 2273763, 3031684, 4547526, 6821289, 9095052, 13642578, 20463867, 27285156, 40927734, 81855468]

約数ペア:

[(1, 81855468), (2, 40927734), (3, 27285156), (4, 20463867), (6, 13642578), (9, 9095052), (12, 6821289), (18, 4547526), (27, 3031684), (36, 2273763), (54, 1515842), (108, 757921), (709, 115452), (1069, 76572), (1418, 57726), (2127, 38484), (2138, 38286), (2836, 28863), (3207, 25524), (4254, 19242), (4276, 19143), (6381, 12828), (6414, 12762), (8508, 9621)]