2378439

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2019

約数の個数: 24

約数和(自身を含む): 4135040

約数和(自身を除く): 1756601

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1987, 5961, 13909, 17883, 37753, 41727, 113259, 125181, 264271, 339777, 792813, 2378439]

約数ペア:

[(1, 2378439), (3, 792813), (7, 339777), (9, 264271), (19, 125181), (21, 113259), (57, 41727), (63, 37753), (133, 17883), (171, 13909), (399, 5961), (1197, 1987)]