38740635

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20021}}^1$

素因数の和:20075

約数の個数: 24

約数和(自身を含む): 68715504

約数和(自身を除く): 29974869

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 20021, 60063, 100105, 180189, 300315, 860903, 900945, 2582709, 4304515, 7748127, 12913545, 38740635]

約数ペア:

[(1, 38740635), (3, 12913545), (5, 7748127), (9, 4304515), (15, 2582709), (43, 900945), (45, 860903), (129, 300315), (215, 180189), (387, 100105), (645, 60063), (1935, 20021)]