42120945

素因数分解:

$3^3\times 5^1\times {\mathrm{312007}}^1$

素因数の和:312021

約数の個数: 16

約数和(自身を含む): 74881920

約数和(自身を除く): 32760975

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 312007, 936021, 1560035, 2808063, 4680105, 8424189, 14040315, 42120945]

約数ペア:

[(1, 42120945), (3, 14040315), (5, 8424189), (9, 4680105), (15, 2808063), (27, 1560035), (45, 936021), (135, 312007)]