90189945

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42643}}^1$

素因数の和:42701

約数の個数: 24

約数和(自身を含む): 159659136

約数和(自身を除く): 69469191

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 42643, 127929, 213215, 383787, 639645, 1918935, 2004221, 6012663, 10021105, 18037989, 30063315, 90189945]

約数ペア:

[(1, 90189945), (3, 30063315), (5, 18037989), (9, 10021105), (15, 6012663), (45, 2004221), (47, 1918935), (141, 639645), (235, 383787), (423, 213215), (705, 127929), (2115, 42643)]