28729455

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{40751}}^1$

素因数の和:40806

約数の個数: 16

約数和(自身を含む): 46946304

約数和(自身を除く): 18216849

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 40751, 122253, 203755, 611265, 1915297, 5745891, 9576485, 28729455]

約数ペア:

[(1, 28729455), (3, 9576485), (5, 5745891), (15, 1915297), (47, 611265), (141, 203755), (235, 122253), (705, 40751)]