28017759

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17327}}^1$

素因数の和:17355

約数の個数: 24

約数和(自身を含む): 47409408

約数和(自身を除く): 19391649

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 17327, 51981, 121289, 190597, 363867, 571791, 849023, 1334179, 2547069, 4002537, 9339253, 28017759]

約数ペア:

[(1, 28017759), (3, 9339253), (7, 4002537), (11, 2547069), (21, 1334179), (33, 849023), (49, 571791), (77, 363867), (147, 190597), (231, 121289), (539, 51981), (1617, 17327)]