26171505

素因数分解:

$3^4\times 5^1\times {\mathrm{64621}}^1$

素因数の和:64638

約数の個数: 20

約数和(自身を含む): 46915572

約数和(自身を除く): 20744067

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 64621, 193863, 323105, 581589, 969315, 1744767, 2907945, 5234301, 8723835, 26171505]

約数ペア:

[(1, 26171505), (3, 8723835), (5, 5234301), (9, 2907945), (15, 1744767), (27, 969315), (45, 581589), (81, 323105), (135, 193863), (405, 64621)]