206824185

素因数分解:

$3^4\times 5^1\times {\mathrm{510677}}^1$

素因数の和:510694

約数の個数: 20

約数和(自身を含む): 370752228

約数和(自身を除く): 163928043

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 510677, 1532031, 2553385, 4596093, 7660155, 13788279, 22980465, 41364837, 68941395, 206824185]

約数ペア:

[(1, 206824185), (3, 68941395), (5, 41364837), (9, 22980465), (15, 13788279), (27, 7660155), (45, 4596093), (81, 2553385), (135, 1532031), (405, 510677)]