208044921

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{937}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 323572480

約数和(自身を除く): 115527559

約数列:

[1, 3, 7, 21, 97, 109, 291, 327, 679, 763, 937, 2037, 2289, 2811, 6559, 10573, 19677, 31719, 74011, 90889, 102133, 222033, 272667, 306399, 636223, 714931, 1908669, 2144793, 9906901, 29720703, 69348307, 208044921]

約数ペア:

[(1, 208044921), (3, 69348307), (7, 29720703), (21, 9906901), (97, 2144793), (109, 1908669), (291, 714931), (327, 636223), (679, 306399), (763, 272667), (937, 222033), (2037, 102133), (2289, 90889), (2811, 74011), (6559, 31719), (10573, 19677)]