81789357

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4799}}^1$

素因数の和:4857

約数の個数: 32

約数和(自身を含む): 129024000

約数和(自身を除く): 47234643

約数列:

[1, 3, 13, 19, 23, 39, 57, 69, 247, 299, 437, 741, 897, 1311, 4799, 5681, 14397, 17043, 62387, 91181, 110377, 187161, 273543, 331131, 1185353, 1434901, 2097163, 3556059, 4304703, 6291489, 27263119, 81789357]

約数ペア:

[(1, 81789357), (3, 27263119), (13, 6291489), (19, 4304703), (23, 3556059), (39, 2097163), (57, 1434901), (69, 1185353), (247, 331131), (299, 273543), (437, 187161), (741, 110377), (897, 91181), (1311, 62387), (4799, 17043), (5681, 14397)]