2018091105

素因数分解:

$3^4\times 5^1\times {\mathrm{4982941}}^1$

素因数の和:4982958

約数の個数: 20

約数和(自身を含む): 3617615892

約数和(自身を除く): 1599524787

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4982941, 14948823, 24914705, 44846469, 74744115, 134539407, 224232345, 403618221, 672697035, 2018091105]

約数ペア:

[(1, 2018091105), (3, 672697035), (5, 403618221), (9, 224232345), (15, 134539407), (27, 74744115), (45, 44846469), (81, 24914705), (135, 14948823), (405, 4982941)]