1830487005

素因数分解:

$3^4\times 5^1\times {\mathrm{4519721}}^1$

素因数の和:4519738

約数の個数: 20

約数和(自身を含む): 3281318172

約数和(自身を除く): 1450831167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4519721, 13559163, 22598605, 40677489, 67795815, 122032467, 203387445, 366097401, 610162335, 1830487005]

約数ペア:

[(1, 1830487005), (3, 610162335), (5, 366097401), (9, 203387445), (15, 122032467), (27, 67795815), (45, 40677489), (81, 22598605), (135, 13559163), (405, 4519721)]