13947795

素因数分解:

$3^4\times 5^1\times {\mathrm{34439}}^1$

素因数の和:34456

約数の個数: 20

約数和(自身を含む): 25003440

約数和(自身を除く): 11055645

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 34439, 103317, 172195, 309951, 516585, 929853, 1549755, 2789559, 4649265, 13947795]

約数ペア:

[(1, 13947795), (3, 4649265), (5, 2789559), (9, 1549755), (15, 929853), (27, 516585), (45, 309951), (81, 172195), (135, 103317), (405, 34439)]