206822475

素因数分解:

$3^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{21377}}^1$

素因数の和:21436

約数の個数: 36

約数和(自身を含む): 379074696

約数和(自身を除く): 172252221

約数列:

[1, 3, 5, 9, 15, 25, 43, 45, 75, 129, 215, 225, 387, 645, 1075, 1935, 3225, 9675, 21377, 64131, 106885, 192393, 320655, 534425, 919211, 961965, 1603275, 2757633, 4596055, 4809825, 8272899, 13788165, 22980275, 41364495, 68940825, 206822475]

約数ペア:

[(1, 206822475), (3, 68940825), (5, 41364495), (9, 22980275), (15, 13788165), (25, 8272899), (43, 4809825), (45, 4596055), (75, 2757633), (129, 1603275), (215, 961965), (225, 919211), (387, 534425), (645, 320655), (1075, 192393), (1935, 106885), (3225, 64131), (9675, 21377)]