28376397

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4373}}^1$

素因数の和:4489

約数の個数: 24

約数和(自身を含む): 47309184

約数和(自身を除く): 18932787

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 4373, 6489, 13119, 30611, 39357, 91833, 275499, 450419, 1351257, 3152933, 4053771, 9458799, 28376397]

約数ペア:

[(1, 28376397), (3, 9458799), (7, 4053771), (9, 3152933), (21, 1351257), (63, 450419), (103, 275499), (309, 91833), (721, 39357), (927, 30611), (2163, 13119), (4373, 6489)]