28085343

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3851}}^1$

素因数の和:3895

約数の個数: 32

約数和(自身を含む): 46593792

約数和(自身を除く): 18508449

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 3851, 7293, 11553, 42361, 50063, 65467, 127083, 150189, 196401, 550693, 720137, 851071, 1652079, 2160411, 2553213, 9361781, 28085343]

約数ペア:

[(1, 28085343), (3, 9361781), (11, 2553213), (13, 2160411), (17, 1652079), (33, 851071), (39, 720137), (51, 550693), (143, 196401), (187, 150189), (221, 127083), (429, 65467), (561, 50063), (663, 42361), (2431, 11553), (3851, 7293)]