81289037

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 86997504

約数和(自身を除く): 5708467

約数列:

[1, 31, 37, 131, 541, 1147, 4061, 4847, 16771, 20017, 70871, 150257, 620527, 2197001, 2622227, 81289037]

約数ペア:

[(1, 81289037), (31, 2622227), (37, 2197001), (131, 620527), (541, 150257), (1147, 70871), (4061, 20017), (4847, 16771)]