28089645

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18181}}^1$

素因数の和:18292

約数の個数: 16

約数和(自身を含む): 45382272

約数和(自身を除く): 17292627

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 18181, 54543, 90905, 272715, 1872643, 5617929, 9363215, 28089645]

約数ペア:

[(1, 28089645), (3, 9363215), (5, 5617929), (15, 1872643), (103, 272715), (309, 90905), (515, 54543), (1545, 18181)]