81257439

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{3793}}^1$

素因数の和:4026

約数の個数: 16

約数和(自身を含む): 111877472

約数和(自身を除く): 30620033

約数列:

[1, 3, 37, 111, 193, 579, 3793, 7141, 11379, 21423, 140341, 421023, 732049, 2196147, 27085813, 81257439]

約数ペア:

[(1, 81257439), (3, 27085813), (37, 2196147), (111, 732049), (193, 421023), (579, 140341), (3793, 21423), (7141, 11379)]