38989917

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{3463}}^1$

素因数の和:3614

約数の個数: 20

約数和(自身を含む): 58680160

約数和(自身を除く): 19690243

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 3463, 3753, 10389, 11259, 31167, 93501, 280503, 481357, 1444071, 4332213, 12996639, 38989917]

約数ペア:

[(1, 38989917), (3, 12996639), (9, 4332213), (27, 1444071), (81, 481357), (139, 280503), (417, 93501), (1251, 31167), (3463, 11259), (3753, 10389)]