128528307

素因数分解:

$3^2\times {\mathrm{557}}^1\times {\mathrm{25639}}^1$

素因数の和:26202

約数の個数: 12

約数和(自身を含む): 185992560

約数和(自身を除く): 57464253

約数列:

[1, 3, 9, 557, 1671, 5013, 25639, 76917, 230751, 14280923, 42842769, 128528307]

約数ペア:

[(1, 128528307), (3, 42842769), (9, 14280923), (557, 230751), (1671, 76917), (5013, 25639)]