27221555

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{599}}^1$

素因数の和:814

約数の個数: 16

約数和(自身を含む): 33480000

約数和(自身を除く): 6258445

約数列:

[1, 5, 61, 149, 305, 599, 745, 2995, 9089, 36539, 45445, 89251, 182695, 446255, 5444311, 27221555]

約数ペア:

[(1, 27221555), (5, 5444311), (61, 446255), (149, 182695), (305, 89251), (599, 45445), (745, 36539), (2995, 9089)]