17777961

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{1579}}^1$

素因数の和:1730

約数の個数: 20

約数和(自身を含む): 26765200

約数和(自身を除く): 8987239

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 1579, 3753, 4737, 11259, 14211, 42633, 127899, 219481, 658443, 1975329, 5925987, 17777961]

約数ペア:

[(1, 17777961), (3, 5925987), (9, 1975329), (27, 658443), (81, 219481), (139, 127899), (417, 42633), (1251, 14211), (1579, 11259), (3753, 4737)]