389251971

素因数分解:

$3^2\times {\mathrm{109}}^1\times {\mathrm{463}}^1\times {\mathrm{857}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 569300160

約数和(自身を除く): 180048189

約数列:

[1, 3, 9, 109, 327, 463, 857, 981, 1389, 2571, 4167, 7713, 50467, 93413, 151401, 280239, 396791, 454203, 840717, 1190373, 3571119, 43250219, 129750657, 389251971]

約数ペア:

[(1, 389251971), (3, 129750657), (9, 43250219), (109, 3571119), (327, 1190373), (463, 840717), (857, 454203), (981, 396791), (1389, 280239), (2571, 151401), (4167, 93413), (7713, 50467)]