205313619

素因数分解:

$3^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{10007}}^1$

素因数の和:10994

約数の個数: 16

約数和(自身を含む): 313210368

約数和(自身を除く): 107896749

約数列:

[1, 3, 7, 21, 977, 2931, 6839, 10007, 20517, 30021, 70049, 210147, 9776839, 29330517, 68437873, 205313619]

約数ペア:

[(1, 205313619), (3, 68437873), (7, 29330517), (21, 9776839), (977, 210147), (2931, 70049), (6839, 30021), (10007, 20517)]