28684593

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{26783}}^1$

素因数の和:26813

約数の個数: 24

約数和(自身を含む): 50139648

約数和(自身を除く): 21455055

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 26783, 80349, 187481, 241047, 455311, 562443, 1365933, 1687329, 3187177, 4097799, 9561531, 28684593]

約数ペア:

[(1, 28684593), (3, 9561531), (7, 4097799), (9, 3187177), (17, 1687329), (21, 1365933), (51, 562443), (63, 455311), (119, 241047), (153, 187481), (357, 80349), (1071, 26783)]