26715987

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{5407}}^1$

素因数の和:5480

約数の個数: 20

約数和(自身を含む): 40570816

約数和(自身を除く): 13854829

約数列:

[1, 3, 9, 27, 61, 81, 183, 549, 1647, 4941, 5407, 16221, 48663, 145989, 329827, 437967, 989481, 2968443, 8905329, 26715987]

約数ペア:

[(1, 26715987), (3, 8905329), (9, 2968443), (27, 989481), (61, 437967), (81, 329827), (183, 145989), (549, 48663), (1647, 16221), (4941, 5407)]