1999553691

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{52027}}^1$

素因数の和:52610

約数の個数: 16

約数和(自身を含む): 2787035904

約数和(自身を除く): 787482213

約数列:

[1, 3, 23, 69, 557, 1671, 12811, 38433, 52027, 156081, 1196621, 3589863, 28979039, 86937117, 666517897, 1999553691]

約数ペア:

[(1, 1999553691), (3, 666517897), (23, 86937117), (69, 28979039), (557, 3589863), (1671, 1196621), (12811, 156081), (38433, 52027)]