215880573

素因数分解:

$3^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1\times {\mathrm{839}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 290304000

約数和(自身を除く): 74423427

約数列:

[1, 3, 199, 431, 597, 839, 1293, 2517, 85769, 166961, 257307, 361609, 500883, 1084827, 71960191, 215880573]

約数ペア:

[(1, 215880573), (3, 71960191), (199, 1084827), (431, 500883), (597, 361609), (839, 257307), (1293, 166961), (2517, 85769)]