128548269

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{67057}}^1$

素因数の和:67137

約数の個数: 16

約数和(自身を含む): 193127040

約数和(自身を除く): 64578771

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 67057, 201171, 603513, 1810539, 4761047, 14283141, 42849423, 128548269]

約数ペア:

[(1, 128548269), (3, 42849423), (9, 14283141), (27, 4761047), (71, 1810539), (213, 603513), (639, 201171), (1917, 67057)]