647580387

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2161}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 931493376

約数和(自身を除く): 283912989

約数列:

[1, 3, 23, 43, 69, 101, 129, 303, 989, 2161, 2323, 2967, 4343, 6483, 6969, 13029, 49703, 92923, 99889, 149109, 218261, 278769, 299667, 654783, 2137229, 5020003, 6411687, 9385223, 15060009, 28155669, 215860129, 647580387]

約数ペア:

[(1, 647580387), (3, 215860129), (23, 28155669), (43, 15060009), (69, 9385223), (101, 6411687), (129, 5020003), (303, 2137229), (989, 654783), (2161, 299667), (2323, 278769), (2967, 218261), (4343, 149109), (6483, 99889), (6969, 92923), (13029, 49703)]