1388790657

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{1773679}}^1$

素因数の和:1773717

約数の個数: 16

約数和(自身を含む): 2128416000

約数和(自身を除く): 739625343

約数列:

[1, 3, 9, 27, 29, 87, 261, 783, 1773679, 5321037, 15963111, 47889333, 51436691, 154310073, 462930219, 1388790657]

約数ペア:

[(1, 1388790657), (3, 462930219), (9, 154310073), (27, 51436691), (29, 47889333), (87, 15963111), (261, 5321037), (783, 1773679)]