21875125

素因数分解:

$5^3\times {\mathrm{139}}^1\times {\mathrm{1259}}^1$

素因数の和:1413

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 5643275

約数列:

[1, 5, 25, 125, 139, 695, 1259, 3475, 6295, 17375, 31475, 157375, 175001, 875005, 4375025, 21875125]

約数ペア:

[(1, 21875125), (5, 4375025), (25, 875005), (125, 175001), (139, 157375), (695, 31475), (1259, 17375), (3475, 6295)]