2815695945

素因数分解:

$3^3\times 5^1\times {\mathrm{20857007}}^1$

素因数の和:20857021

約数の個数: 16

約数和(自身を含む): 5005681920

約数和(自身を除く): 2189985975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 20857007, 62571021, 104285035, 187713063, 312855105, 563139189, 938565315, 2815695945]

約数ペア:

[(1, 2815695945), (3, 938565315), (5, 563139189), (9, 312855105), (15, 187713063), (27, 104285035), (45, 62571021), (135, 20857007)]