2017222785

素因数分解:

$3^4\times 5^1\times {\mathrm{4980797}}^1$

素因数の和:4980814

約数の個数: 20

約数和(自身を含む): 3616059348

約数和(自身を除く): 1598836563

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4980797, 14942391, 24903985, 44827173, 74711955, 134481519, 224135865, 403444557, 672407595, 2017222785]

約数ペア:

[(1, 2017222785), (3, 672407595), (5, 403444557), (9, 224135865), (15, 134481519), (27, 74711955), (45, 44827173), (81, 24903985), (135, 14942391), (405, 4980797)]