81122987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1\times {\mathrm{907}}^1$

素因数の和:1138

約数の個数: 16

約数和(自身を含む): 91003392

約数和(自身を除く): 9880405

約数列:

[1, 11, 47, 173, 517, 907, 1903, 8131, 9977, 42629, 89441, 156911, 468919, 1726021, 7374817, 81122987]

約数ペア:

[(1, 81122987), (11, 7374817), (47, 1726021), (173, 468919), (517, 156911), (907, 89441), (1903, 42629), (8131, 9977)]