81147689

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{7351}}^1$

素因数の和:7460

約数の個数: 16

約数和(自身を含む): 98810880

約数和(自身を除く): 17663191

約数列:

[1, 7, 19, 83, 133, 581, 1577, 7351, 11039, 51457, 139669, 610133, 977683, 4270931, 11592527, 81147689]

約数ペア:

[(1, 81147689), (7, 11592527), (19, 4270931), (83, 977683), (133, 610133), (581, 139669), (1577, 51457), (7351, 11039)]