27387531

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 43084800

約数和(自身を除く): 15697269

約数列:

[1, 3, 9, 19, 27, 57, 171, 197, 271, 513, 591, 813, 1773, 2439, 3743, 5149, 5319, 7317, 11229, 15447, 33687, 46341, 53387, 101061, 139023, 160161, 480483, 1014353, 1441449, 3043059, 9129177, 27387531]

約数ペア:

[(1, 27387531), (3, 9129177), (9, 3043059), (19, 1441449), (27, 1014353), (57, 480483), (171, 160161), (197, 139023), (271, 101061), (513, 53387), (591, 46341), (813, 33687), (1773, 15447), (2439, 11229), (3743, 7317), (5149, 5319)]