201393945

素因数分解:

$3^4\times 5^1\times {\mathrm{497269}}^1$

素因数の和:497286

約数の個数: 20

約数和(自身を含む): 361018020

約数和(自身を除く): 159624075

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 497269, 1491807, 2486345, 4475421, 7459035, 13426263, 22377105, 40278789, 67131315, 201393945]

約数ペア:

[(1, 201393945), (3, 67131315), (5, 40278789), (9, 22377105), (15, 13426263), (27, 7459035), (45, 4475421), (81, 2486345), (135, 1491807), (405, 497269)]