28206915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15541}}^1$

素因数の和:15571

約数の個数: 24

約数和(自身を含む): 49610064

約数和(自身を除く): 21403149

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 15541, 46623, 77705, 170951, 233115, 512853, 854755, 1880461, 2564265, 5641383, 9402305, 28206915]

約数ペア:

[(1, 28206915), (3, 9402305), (5, 5641383), (11, 2564265), (15, 1880461), (33, 854755), (55, 512853), (121, 233115), (165, 170951), (363, 77705), (605, 46623), (1815, 15541)]