87928389

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 133562880

約数和(自身を除く): 45634491

約数列:

[1, 3, 9, 27, 61, 183, 197, 271, 549, 591, 813, 1647, 1773, 2439, 5319, 7317, 12017, 16531, 36051, 49593, 53387, 108153, 148779, 160161, 324459, 446337, 480483, 1441449, 3256607, 9769821, 29309463, 87928389]

約数ペア:

[(1, 87928389), (3, 29309463), (9, 9769821), (27, 3256607), (61, 1441449), (183, 480483), (197, 446337), (271, 324459), (549, 160161), (591, 148779), (813, 108153), (1647, 53387), (1773, 49593), (2439, 36051), (5319, 16531), (7317, 12017)]