28140915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170551}}^1$

素因数の和:170570

約数の個数: 16

約数和(自身を含む): 49118976

約数和(自身を除く): 20978061

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170551, 511653, 852755, 1876061, 2558265, 5628183, 9380305, 28140915]

約数ペア:

[(1, 28140915), (3, 9380305), (5, 5628183), (11, 2558265), (15, 1876061), (33, 852755), (55, 511653), (165, 170551)]