28253463

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{6971}}^1$

素因数の和:7174

約数の個数: 16

約数和(自身を含む): 43282176

約数和(自身を除く): 15028713

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 6971, 20913, 48797, 146391, 1345403, 4036209, 9417821, 28253463]

約数ペア:

[(1, 28253463), (3, 9417821), (7, 4036209), (21, 1345403), (193, 146391), (579, 48797), (1351, 20913), (4053, 6971)]