199908849

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{2069}}^1$

素因数の和:2229

約数の個数: 32

約数和(自身を含む): 314772480

約数和(自身を除く): 114863631

約数列:

[1, 3, 7, 21, 43, 107, 129, 301, 321, 749, 903, 2069, 2247, 4601, 6207, 13803, 14483, 32207, 43449, 88967, 96621, 221383, 266901, 622769, 664149, 1549681, 1868307, 4649043, 9519469, 28558407, 66636283, 199908849]

約数ペア:

[(1, 199908849), (3, 66636283), (7, 28558407), (21, 9519469), (43, 4649043), (107, 1868307), (129, 1549681), (301, 664149), (321, 622769), (749, 266901), (903, 221383), (2069, 96621), (2247, 88967), (4601, 43449), (6207, 32207), (13803, 14483)]