208980888939

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{31764841}}^1$

素因数の和:31764907

約数の個数: 24

約数和(自身を含む): 327050813232

約数和(自身を除く): 118069924293

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 31764841, 95294523, 285883569, 540002297, 1365888163, 1620006891, 4097664489, 4860020673, 12292993467, 23220098771, 69660296313, 208980888939]

約数ペア:

[(1, 208980888939), (3, 69660296313), (9, 23220098771), (17, 12292993467), (43, 4860020673), (51, 4097664489), (129, 1620006891), (153, 1365888163), (387, 540002297), (731, 285883569), (2193, 95294523), (6579, 31764841)]