28770921

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{541}}^1$

素因数の和:877

約数の個数: 24

約数和(自身を含む): 43967040

約数和(自身を除く): 15196119

約数列:

[1, 3, 9, 19, 57, 171, 311, 541, 933, 1623, 2799, 4869, 5909, 10279, 17727, 30837, 53181, 92511, 168251, 504753, 1514259, 3196769, 9590307, 28770921]

約数ペア:

[(1, 28770921), (3, 9590307), (9, 3196769), (19, 1514259), (57, 504753), (171, 168251), (311, 92511), (541, 53181), (933, 30837), (1623, 17727), (2799, 10279), (4869, 5909)]