138791331

素因数分解:

$3^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{3343}}^1$

素因数の和:4015

約数の個数: 24

約数和(自身を含む): 229532160

約数和(自身を除く): 90740829

約数列:

[1, 3, 7, 9, 21, 63, 659, 1977, 3343, 4613, 5931, 10029, 13839, 23401, 30087, 41517, 70203, 210609, 2203037, 6609111, 15421259, 19827333, 46263777, 138791331]

約数ペア:

[(1, 138791331), (3, 46263777), (7, 19827333), (9, 15421259), (21, 6609111), (63, 2203037), (659, 210609), (1977, 70203), (3343, 41517), (4613, 30087), (5931, 23401), (10029, 13839)]