18642717

素因数分解:

$3^6\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:364

約数の個数: 28

約数和(自身を含む): 28330560

約数和(自身を除く): 9687843

約数列:

[1, 3, 9, 27, 81, 107, 239, 243, 321, 717, 729, 963, 2151, 2889, 6453, 8667, 19359, 25573, 26001, 58077, 76719, 78003, 174231, 230157, 690471, 2071413, 6214239, 18642717]

約数ペア:

[(1, 18642717), (3, 6214239), (9, 2071413), (27, 690471), (81, 230157), (107, 174231), (239, 78003), (243, 76719), (321, 58077), (717, 26001), (729, 25573), (963, 19359), (2151, 8667), (2889, 6453)]