81320685

素因数分解:

$3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{18503}}^1$

素因数の和:18804

約数の個数: 16

約数和(自身を含む): 130564224

約数和(自身を除く): 49243539

約数列:

[1, 3, 5, 15, 293, 879, 1465, 4395, 18503, 55509, 92515, 277545, 5421379, 16264137, 27106895, 81320685]

約数ペア:

[(1, 81320685), (3, 27106895), (5, 16264137), (15, 5421379), (293, 277545), (879, 92515), (1465, 55509), (4395, 18503)]