64987605

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30727}}^1$

素因数の和:30785

約数の個数: 24

約数和(自身を含む): 115045632

約数和(自身を除く): 50058027

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 705, 2115, 30727, 92181, 153635, 276543, 460905, 1382715, 1444169, 4332507, 7220845, 12997521, 21662535, 64987605]

約数ペア:

[(1, 64987605), (3, 21662535), (5, 12997521), (9, 7220845), (15, 4332507), (45, 1444169), (47, 1382715), (141, 460905), (235, 276543), (423, 153635), (705, 92181), (2115, 30727)]