80720643

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{13721}}^1$

素因数の和:13814

約数の個数: 16

約数和(自身を含む): 112630176

約数和(自身を除く): 31909533

約数列:

[1, 3, 37, 53, 111, 159, 1961, 5883, 13721, 41163, 507677, 727213, 1523031, 2181639, 26906881, 80720643]

約数ペア:

[(1, 80720643), (3, 26906881), (37, 2181639), (53, 1523031), (111, 727213), (159, 507677), (1961, 41163), (5883, 13721)]