27856815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2089}}^1$

素因数の和:2231

約数の個数: 32

約数和(自身を含む): 51363840

約数和(自身を除く): 23507025

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 127, 381, 635, 889, 1905, 2089, 2667, 4445, 6267, 10445, 13335, 14623, 31335, 43869, 73115, 219345, 265303, 795909, 1326515, 1857121, 3979545, 5571363, 9285605, 27856815]

約数ペア:

[(1, 27856815), (3, 9285605), (5, 5571363), (7, 3979545), (15, 1857121), (21, 1326515), (35, 795909), (105, 265303), (127, 219345), (381, 73115), (635, 43869), (889, 31335), (1905, 14623), (2089, 13335), (2667, 10445), (4445, 6267)]