205121997

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{176677}}^1$

素因数の和:176729

約数の個数: 16

約数和(自身を含む): 310953280

約数和(自身を除く): 105831283

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 176677, 530031, 1590093, 4770279, 7597111, 22791333, 68373999, 205121997]

約数ペア:

[(1, 205121997), (3, 68373999), (9, 22791333), (27, 7597111), (43, 4770279), (129, 1590093), (387, 530031), (1161, 176677)]