28276215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{419}}^1$

素因数の和:847

約数の個数: 32

約数和(自身を含む): 49593600

約数和(自身を除く): 21317385

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 409, 419, 1227, 1257, 2045, 2095, 4499, 4609, 6135, 6285, 13497, 13827, 22495, 23045, 67485, 69135, 171371, 514113, 856855, 1885081, 2570565, 5655243, 9425405, 28276215]

約数ペア:

[(1, 28276215), (3, 9425405), (5, 5655243), (11, 2570565), (15, 1885081), (33, 856855), (55, 514113), (165, 171371), (409, 69135), (419, 67485), (1227, 23045), (1257, 22495), (2045, 13827), (2095, 13497), (4499, 6285), (4609, 6135)]