28720335

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{273527}}^1$

素因数の和:273542

約数の個数: 16

約数和(自身を含む): 52517376

約数和(自身を除く): 23797041

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 273527, 820581, 1367635, 1914689, 4102905, 5744067, 9573445, 28720335]

約数ペア:

[(1, 28720335), (3, 9573445), (5, 5744067), (7, 4102905), (15, 1914689), (21, 1367635), (35, 820581), (105, 273527)]