28785513

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4903}}^1$

素因数の和:5028

約数の個数: 16

約数和(自身を含む): 40801280

約数和(自身を除く): 12015767

約数列:

[1, 3, 19, 57, 103, 309, 1957, 4903, 5871, 14709, 93157, 279471, 505009, 1515027, 9595171, 28785513]

約数ペア:

[(1, 28785513), (3, 9595171), (19, 1515027), (57, 505009), (103, 279471), (309, 93157), (1957, 14709), (4903, 5871)]