28807185

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2459}}^1$

素因数の和:2549

約数の個数: 32

約数和(自身を含む): 51010560

約数和(自身を除く): 22203375

約数列:

[1, 3, 5, 11, 15, 33, 55, 71, 165, 213, 355, 781, 1065, 2343, 2459, 3905, 7377, 11715, 12295, 27049, 36885, 81147, 135245, 174589, 405735, 523767, 872945, 1920479, 2618835, 5761437, 9602395, 28807185]

約数ペア:

[(1, 28807185), (3, 9602395), (5, 5761437), (11, 2618835), (15, 1920479), (33, 872945), (55, 523767), (71, 405735), (165, 174589), (213, 135245), (355, 81147), (781, 36885), (1065, 27049), (2343, 12295), (2459, 11715), (3905, 7377)]