28048779

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{911}}^1$

素因数の和:1239

約数の個数: 24

約数和(自身を含む): 44388864

約数和(自身を除く): 16340085

約数列:

[1, 3, 9, 11, 33, 99, 311, 911, 933, 2733, 2799, 3421, 8199, 10021, 10263, 30063, 30789, 90189, 283321, 849963, 2549889, 3116531, 9349593, 28048779]

約数ペア:

[(1, 28048779), (3, 9349593), (9, 3116531), (11, 2549889), (33, 849963), (99, 283321), (311, 90189), (911, 30789), (933, 30063), (2733, 10263), (2799, 10021), (3421, 8199)]