28719315

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2039}}^1$

素因数の和:2363

約数の個数: 24

約数和(自身を含む): 49963680

約数和(自身を除く): 21244365

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1565, 2039, 2817, 4695, 6117, 10195, 14085, 18351, 30585, 91755, 638207, 1914621, 3191035, 5743863, 9573105, 28719315]

約数ペア:

[(1, 28719315), (3, 9573105), (5, 5743863), (9, 3191035), (15, 1914621), (45, 638207), (313, 91755), (939, 30585), (1565, 18351), (2039, 14085), (2817, 10195), (4695, 6117)]