81738111

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4217}}^1$

素因数の和:4311

約数の個数: 32

約数和(自身を含む): 136055808

約数和(自身を除く): 54317697

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1491, 2769, 4217, 6461, 12651, 19383, 29519, 54821, 88557, 164463, 299407, 383747, 898221, 1151241, 2095849, 3892291, 6287547, 11676873, 27246037, 81738111]

約数ペア:

[(1, 81738111), (3, 27246037), (7, 11676873), (13, 6287547), (21, 3892291), (39, 2095849), (71, 1151241), (91, 898221), (213, 383747), (273, 299407), (497, 164463), (923, 88557), (1491, 54821), (2769, 29519), (4217, 19383), (6461, 12651)]