27985315

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:327

約数の個数: 24

約数和(自身を含む): 36206352

約数和(自身を除く): 8221037

約数列:

[1, 5, 17, 85, 107, 181, 289, 535, 905, 1445, 1819, 3077, 9095, 15385, 19367, 30923, 52309, 96835, 154615, 261545, 329239, 1646195, 5597063, 27985315]

約数ペア:

[(1, 27985315), (5, 5597063), (17, 1646195), (85, 329239), (107, 261545), (181, 154615), (289, 96835), (535, 52309), (905, 30923), (1445, 19367), (1819, 15385), (3077, 9095)]