205909040061

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{177354901}}^1$

素因数の和:177354953

約数の個数: 16

約数和(自身を含む): 312144627520

約数和(自身を除く): 106235587459

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 177354901, 532064703, 1596194109, 4788582327, 7626260743, 22878782229, 68636346687, 205909040061]

約数ペア:

[(1, 205909040061), (3, 68636346687), (9, 22878782229), (27, 7626260743), (43, 4788582327), (129, 1596194109), (387, 532064703), (1161, 177354901)]