28250391

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{3677}}^1$

素因数の和:3890

約数の個数: 16

約数和(自身を含む): 40781664

約数和(自身を除く): 12531273

約数列:

[1, 3, 13, 39, 197, 591, 2561, 3677, 7683, 11031, 47801, 143403, 724369, 2173107, 9416797, 28250391]

約数ペア:

[(1, 28250391), (3, 9416797), (13, 2173107), (39, 724369), (197, 143403), (591, 47801), (2561, 11031), (3677, 7683)]