389047971

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{40387}}^1$

素因数の和:40435

約数の個数: 24

約数和(自身を含む): 591280320

約数和(自身を除く): 202232349

約数列:

[1, 3, 13, 19, 39, 57, 169, 247, 507, 741, 3211, 9633, 40387, 121161, 525031, 767353, 1575093, 2302059, 6825403, 9975589, 20476209, 29926767, 129682657, 389047971]

約数ペア:

[(1, 389047971), (3, 129682657), (13, 29926767), (19, 20476209), (39, 9975589), (57, 6825403), (169, 2302059), (247, 1575093), (507, 767353), (741, 525031), (3211, 121161), (9633, 40387)]