890397

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 1397760

約数和(自身を除く): 507363

約数列:

[1, 3, 9, 19, 41, 57, 123, 127, 171, 369, 381, 779, 1143, 2337, 2413, 5207, 7011, 7239, 15621, 21717, 46863, 98933, 296799, 890397]

約数ペア:

[(1, 890397), (3, 296799), (9, 98933), (19, 46863), (41, 21717), (57, 15621), (123, 7239), (127, 7011), (171, 5207), (369, 2413), (381, 2337), (779, 1143)]