39788889

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 62684160

約数和(自身を除く): 22895271

約数列:

[1, 3, 7, 21, 43, 129, 139, 301, 317, 417, 903, 951, 973, 2219, 2919, 5977, 6657, 13631, 17931, 40893, 41839, 44063, 95417, 125517, 132189, 286251, 308441, 925323, 1894709, 5684127, 13262963, 39788889]

約数ペア:

[(1, 39788889), (3, 13262963), (7, 5684127), (21, 1894709), (43, 925323), (129, 308441), (139, 286251), (301, 132189), (317, 125517), (417, 95417), (903, 44063), (951, 41839), (973, 40893), (2219, 17931), (2919, 13631), (5977, 6657)]