81204081

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{4733}}^1$

素因数の和:4805

約数の個数: 32

約数和(自身を含む): 133309440

約数和(自身を除く): 52105359

約数列:

[1, 3, 7, 19, 21, 43, 57, 129, 133, 301, 399, 817, 903, 2451, 4733, 5719, 14199, 17157, 33131, 89927, 99393, 203519, 269781, 610557, 629489, 1424633, 1888467, 3866861, 4273899, 11600583, 27068027, 81204081]

約数ペア:

[(1, 81204081), (3, 27068027), (7, 11600583), (19, 4273899), (21, 3866861), (43, 1888467), (57, 1424633), (129, 629489), (133, 610557), (301, 269781), (399, 203519), (817, 99393), (903, 89927), (2451, 33131), (4733, 17157), (5719, 14199)]