81928827

素因数分解:

$3^4\times {\mathrm{823}}^1\times {\mathrm{1229}}^1$

素因数の和:2064

約数の個数: 20

約数和(自身を含む): 122635920

約数和(自身を除く): 40707093

約数列:

[1, 3, 9, 27, 81, 823, 1229, 2469, 3687, 7407, 11061, 22221, 33183, 66663, 99549, 1011467, 3034401, 9103203, 27309609, 81928827]

約数ペア:

[(1, 81928827), (3, 27309609), (9, 9103203), (27, 3034401), (81, 1011467), (823, 99549), (1229, 66663), (2469, 33183), (3687, 22221), (7407, 11061)]