81608181

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{7229}}^1$

素因数の和:7356

約数の個数: 16

約数和(自身を含む): 112440960

約数和(自身を除く): 30832779

約数列:

[1, 3, 53, 71, 159, 213, 3763, 7229, 11289, 21687, 383137, 513259, 1149411, 1539777, 27202727, 81608181]

約数ペア:

[(1, 81608181), (3, 27202727), (53, 1539777), (71, 1149411), (159, 513259), (213, 383137), (3763, 21687), (7229, 11289)]