81693567

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{1279}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 121405440

約数和(自身を除く): 39711873

約数列:

[1, 3, 9, 47, 141, 151, 423, 453, 1279, 1359, 3837, 7097, 11511, 21291, 60113, 63873, 180339, 193129, 541017, 579387, 1738161, 9077063, 27231189, 81693567]

約数ペア:

[(1, 81693567), (3, 27231189), (9, 9077063), (47, 1738161), (141, 579387), (151, 541017), (423, 193129), (453, 180339), (1279, 63873), (1359, 60113), (3837, 21291), (7097, 11511)]