81805031

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{9929}}^1$

素因数の和:10054

約数の個数: 16

約数和(自身を含む): 102954240

約数和(自身を除く): 21149209

約数列:

[1, 7, 11, 77, 107, 749, 1177, 8239, 9929, 69503, 109219, 764533, 1062403, 7436821, 11686433, 81805031]

約数ペア:

[(1, 81805031), (7, 11686433), (11, 7436821), (77, 1062403), (107, 764533), (749, 109219), (1177, 69503), (8239, 9929)]