789345

素因数分解:

$3^4\times 5^1\times {\mathrm{1949}}^1$

素因数の和:1966

約数の個数: 20

約数和(自身を含む): 1415700

約数和(自身を除く): 626355

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 1949, 5847, 9745, 17541, 29235, 52623, 87705, 157869, 263115, 789345]

約数ペア:

[(1, 789345), (3, 263115), (5, 157869), (9, 87705), (15, 52623), (27, 29235), (45, 17541), (81, 9745), (135, 5847), (405, 1949)]