2021180115

素因数分解:

$3^1\times 5^1\times {\mathrm{677}}^1\times {\mathrm{199033}}^1$

素因数の和:199718

約数の個数: 16

約数和(自身を含む): 3238681248

約数和(自身を除く): 1217501133

約数列:

[1, 3, 5, 15, 677, 2031, 3385, 10155, 199033, 597099, 995165, 2985495, 134745341, 404236023, 673726705, 2021180115]

約数ペア:

[(1, 2021180115), (3, 673726705), (5, 404236023), (15, 134745341), (677, 2985495), (2031, 995165), (3385, 597099), (10155, 199033)]