178133391

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{2161}}^1$

素因数の和:2284

約数の個数: 32

約数和(自身を含む): 273968640

約数和(自身を除く): 95835249

約数列:

[1, 3, 9, 27, 43, 71, 129, 213, 387, 639, 1161, 1917, 2161, 3053, 6483, 9159, 19449, 27477, 58347, 82431, 92923, 153431, 278769, 460293, 836307, 1380879, 2508921, 4142637, 6597533, 19792599, 59377797, 178133391]

約数ペア:

[(1, 178133391), (3, 59377797), (9, 19792599), (27, 6597533), (43, 4142637), (71, 2508921), (129, 1380879), (213, 836307), (387, 460293), (639, 278769), (1161, 153431), (1917, 92923), (2161, 82431), (3053, 58347), (6483, 27477), (9159, 19449)]