9987465

素因数分解:

$3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{821}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 16019136

約数和(自身を除く): 6031671

約数列:

[1, 3, 5, 15, 811, 821, 2433, 2463, 4055, 4105, 12165, 12315, 665831, 1997493, 3329155, 9987465]

約数ペア:

[(1, 9987465), (3, 3329155), (5, 1997493), (15, 665831), (811, 12315), (821, 12165), (2433, 4105), (2463, 4055)]