28360215

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48479}}^1$

素因数の和:48503

約数の個数: 24

約数和(自身を含む): 52940160

約数和(自身を除く): 24579945

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 48479, 145437, 242395, 436311, 630227, 727185, 1890681, 2181555, 3151135, 5672043, 9453405, 28360215]

約数ペア:

[(1, 28360215), (3, 9453405), (5, 5672043), (9, 3151135), (13, 2181555), (15, 1890681), (39, 727185), (45, 630227), (65, 436311), (117, 242395), (195, 145437), (585, 48479)]