290197905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{66943}}^1$

素因数の和:66985

約数の個数: 24

約数和(自身を含む): 493243392

約数和(自身を除く): 203045487

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 66943, 200829, 334715, 1004145, 1138031, 3414093, 5690155, 17070465, 19346527, 58039581, 96732635, 290197905]

約数ペア:

[(1, 290197905), (3, 96732635), (5, 58039581), (15, 19346527), (17, 17070465), (51, 5690155), (85, 3414093), (255, 1138031), (289, 1004145), (867, 334715), (1445, 200829), (4335, 66943)]