28403571

素因数分解:

$3^1\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1801}}^1$

素因数の和:2562

約数の個数: 16

約数和(自身を含む): 43363328

約数和(自身を除く): 14959757

約数列:

[1, 3, 7, 21, 751, 1801, 2253, 5257, 5403, 12607, 15771, 37821, 1352551, 4057653, 9467857, 28403571]

約数ペア:

[(1, 28403571), (3, 9467857), (7, 4057653), (21, 1352551), (751, 37821), (1801, 15771), (2253, 12607), (5257, 5403)]