28071945

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{56711}}^1$

素因数の和:56733

約数の個数: 24

約数和(自身を含む): 53082432

約数和(自身を除く): 25010487

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 56711, 170133, 283555, 510399, 623821, 850665, 1871463, 2551995, 3119105, 5614389, 9357315, 28071945]

約数ペア:

[(1, 28071945), (3, 9357315), (5, 5614389), (9, 3119105), (11, 2551995), (15, 1871463), (33, 850665), (45, 623821), (55, 510399), (99, 283555), (165, 170133), (495, 56711)]