15721875075

素因数分解:

$3^1\times 5^2\times {\mathrm{209625001}}^1$

素因数の和:209625014

約数の個数: 12

約数和(自身を含む): 25993500248

約数和(自身を除く): 10271625173

約数列:

[1, 3, 5, 15, 25, 75, 209625001, 628875003, 1048125005, 3144375015, 5240625025, 15721875075]

約数ペア:

[(1, 15721875075), (3, 5240625025), (5, 3144375015), (15, 1048125005), (25, 628875003), (75, 209625001)]