20171153385

素因数分解:

$3^4\times 5^1\times {\mathrm{49805317}}^1$

素因数の和:49805334

約数の個数: 20

約数和(自身を含む): 36158660868

約数和(自身を除く): 15987507483

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 49805317, 149415951, 249026585, 448247853, 747079755, 1344743559, 2241239265, 4034230677, 6723717795, 20171153385]

約数ペア:

[(1, 20171153385), (3, 6723717795), (5, 4034230677), (9, 2241239265), (15, 1344743559), (27, 747079755), (45, 448247853), (81, 249026585), (135, 149415951), (405, 49805317)]