389623971

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{1451}}^1$

素因数の和:1647

約数の個数: 32

約数和(自身を含む): 579870720

約数和(自身を除く): 190246749

約数列:

[1, 3, 11, 33, 79, 103, 237, 309, 869, 1133, 1451, 2607, 3399, 4353, 8137, 15961, 24411, 47883, 89507, 114629, 149453, 268521, 343887, 448359, 1260919, 1643983, 3782757, 4931949, 11806787, 35420361, 129874657, 389623971]

約数ペア:

[(1, 389623971), (3, 129874657), (11, 35420361), (33, 11806787), (79, 4931949), (103, 3782757), (237, 1643983), (309, 1260919), (869, 448359), (1133, 343887), (1451, 268521), (2607, 149453), (3399, 114629), (4353, 89507), (8137, 47883), (15961, 24411)]