28370727

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40939}}^1$

素因数の和:40963

約数の個数: 24

約数和(自身を含む): 51093120

約数和(自身を除く): 22722393

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40939, 122817, 286573, 368451, 450329, 859719, 1350987, 2579157, 3152303, 4052961, 9456909, 28370727]

約数ペア:

[(1, 28370727), (3, 9456909), (7, 4052961), (9, 3152303), (11, 2579157), (21, 1350987), (33, 859719), (63, 450329), (77, 368451), (99, 286573), (231, 122817), (693, 40939)]