18018369

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{1229}}^1$

素因数の和:1422

約数の個数: 20

約数和(自身を含む): 27087060

約数和(自身を除く): 9068691

約数列:

[1, 3, 9, 27, 81, 181, 543, 1229, 1629, 3687, 4887, 11061, 14661, 33183, 99549, 222449, 667347, 2002041, 6006123, 18018369]

約数ペア:

[(1, 18018369), (3, 6006123), (9, 2002041), (27, 667347), (81, 222449), (181, 99549), (543, 33183), (1229, 14661), (1629, 11061), (3687, 4887)]