30981741

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47591}}^1$

素因数の和:47632

約数の個数: 16

約数和(自身を含む): 48734208

約数和(自身を除く): 17752467

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 47591, 142773, 333137, 999411, 1475321, 4425963, 10327247, 30981741]

約数ペア:

[(1, 30981741), (3, 10327247), (7, 4425963), (21, 1475321), (31, 999411), (93, 333137), (217, 142773), (651, 47591)]