12855105

素因数分解:

$3^4\times 5^1\times {\mathrm{31741}}^1$

素因数の和:31758

約数の個数: 20

約数和(自身を含む): 23044692

約数和(自身を除く): 10189587

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31741, 95223, 158705, 285669, 476115, 857007, 1428345, 2571021, 4285035, 12855105]

約数ペア:

[(1, 12855105), (3, 4285035), (5, 2571021), (9, 1428345), (15, 857007), (27, 476115), (45, 285669), (81, 158705), (135, 95223), (405, 31741)]