81321177

素因数分解:

$3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{36191}}^1$

素因数の和:36308

約数の個数: 16

約数和(自身を含む): 125079552

約数和(自身を除く): 43758375

約数列:

[1, 3, 7, 21, 107, 321, 749, 2247, 36191, 108573, 253337, 760011, 3872437, 11617311, 27107059, 81321177]

約数ペア:

[(1, 81321177), (3, 27107059), (7, 11617311), (21, 3872437), (107, 760011), (321, 253337), (749, 108573), (2247, 36191)]