90131805

素因数分解:

$3^3\times 5^1\times {\mathrm{667643}}^1$

素因数の和:667657

約数の個数: 16

約数和(自身を含む): 160234560

約数和(自身を除く): 70102755

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 667643, 2002929, 3338215, 6008787, 10014645, 18026361, 30043935, 90131805]

約数ペア:

[(1, 90131805), (3, 30043935), (5, 18026361), (9, 10014645), (15, 6008787), (27, 3338215), (45, 2002929), (135, 667643)]