81643809

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{123143}}^1$

素因数の和:123176

約数の個数: 16

約数和(自身を含む): 124129152

約数和(自身を除く): 42485343

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 123143, 369429, 1600859, 2093431, 4802577, 6280293, 27214603, 81643809]

約数ペア:

[(1, 81643809), (3, 27214603), (13, 6280293), (17, 4802577), (39, 2093431), (51, 1600859), (221, 369429), (663, 123143)]