12655845

素因数分解:

$3^4\times 5^1\times {\mathrm{31249}}^1$

素因数の和:31266

約数の個数: 20

約数和(自身を含む): 22687500

約数和(自身を除く): 10031655

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31249, 93747, 156245, 281241, 468735, 843723, 1406205, 2531169, 4218615, 12655845]

約数ペア:

[(1, 12655845), (3, 4218615), (5, 2531169), (9, 1406205), (15, 843723), (27, 468735), (45, 281241), (81, 156245), (135, 93747), (405, 31249)]