9409905

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1621}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 17128320

約数和(自身を除く): 7718415

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1621, 1935, 4863, 5805, 8105, 14589, 24315, 43767, 69703, 72945, 209109, 218835, 348515, 627327, 1045545, 1881981, 3136635, 9409905]

約数ペア:

[(1, 9409905), (3, 3136635), (5, 1881981), (9, 1045545), (15, 627327), (27, 348515), (43, 218835), (45, 209109), (129, 72945), (135, 69703), (215, 43767), (387, 24315), (645, 14589), (1161, 8105), (1621, 5805), (1935, 4863)]