27640755

素因数分解:

$3^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1459}}^1$

素因数の和:1891

約数の個数: 24

約数和(自身を含む): 48057360

約数和(自身を除く): 20416605

約数列:

[1, 3, 5, 9, 15, 45, 421, 1263, 1459, 2105, 3789, 4377, 6315, 7295, 13131, 18945, 21885, 65655, 614239, 1842717, 3071195, 5528151, 9213585, 27640755]

約数ペア:

[(1, 27640755), (3, 9213585), (5, 5528151), (9, 3071195), (15, 1842717), (45, 614239), (421, 65655), (1263, 21885), (1459, 18945), (2105, 13131), (3789, 7295), (4377, 6315)]