15721083765

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4920527}}^1$

素因数の和:4920609

約数の個数: 24

約数和(自身を含む): 27633685248

約数和(自身を除く): 11912601483

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 4920527, 14761581, 24602635, 44284743, 73807905, 221423715, 349357417, 1048072251, 1746787085, 3144216753, 5240361255, 15721083765]

約数ペア:

[(1, 15721083765), (3, 5240361255), (5, 3144216753), (9, 1746787085), (15, 1048072251), (45, 349357417), (71, 221423715), (213, 73807905), (355, 44284743), (639, 24602635), (1065, 14761581), (3195, 4920527)]