81529945

素因数分解:

$5^1\times 7^1\times {\mathrm{911}}^1\times {\mathrm{2557}}^1$

素因数の和:3480

約数の個数: 16

約数和(自身を含む): 111979008

約数和(自身を除く): 30449063

約数列:

[1, 5, 7, 35, 911, 2557, 4555, 6377, 12785, 17899, 31885, 89495, 2329427, 11647135, 16305989, 81529945]

約数ペア:

[(1, 81529945), (5, 16305989), (7, 11647135), (35, 2329427), (911, 89495), (2557, 31885), (4555, 17899), (6377, 12785)]