25979205

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{247421}}^1$

素因数の和:247436

約数の個数: 16

約数和(自身を含む): 47505024

約数和(自身を除く): 21525819

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 247421, 742263, 1237105, 1731947, 3711315, 5195841, 8659735, 25979205]

約数ペア:

[(1, 25979205), (3, 8659735), (5, 5195841), (7, 3711315), (15, 1731947), (21, 1237105), (35, 742263), (105, 247421)]