1212903

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 1900080

約数和(自身を除く): 687177

約数列:

[1, 3, 9, 19, 41, 57, 123, 171, 173, 369, 519, 779, 1557, 2337, 3287, 7011, 7093, 9861, 21279, 29583, 63837, 134767, 404301, 1212903]

約数ペア:

[(1, 1212903), (3, 404301), (9, 134767), (19, 63837), (41, 29583), (57, 21279), (123, 9861), (171, 7093), (173, 7011), (369, 3287), (519, 2337), (779, 1557)]