28354767

素因数分解:

$3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{13109}}^1$

素因数の和:13222

約数の個数: 16

約数和(自身を含む): 43630080

約数和(自身を除く): 15275313

約数列:

[1, 3, 7, 21, 103, 309, 721, 2163, 13109, 39327, 91763, 275289, 1350227, 4050681, 9451589, 28354767]

約数ペア:

[(1, 28354767), (3, 9451589), (7, 4050681), (21, 1350227), (103, 275289), (309, 91763), (721, 39327), (2163, 13109)]