204080019

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{27983}}^1$

素因数の和:28027

約数の個数: 32

約数和(自身を含む): 338494464

約数和(自身を除く): 134414445

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 7293, 27983, 83949, 307813, 363779, 475711, 923439, 1091337, 1427133, 4001569, 5232821, 6184243, 12004707, 15698463, 18552729, 68026673, 204080019]

約数ペア:

[(1, 204080019), (3, 68026673), (11, 18552729), (13, 15698463), (17, 12004707), (33, 6184243), (39, 5232821), (51, 4001569), (143, 1427133), (187, 1091337), (221, 923439), (429, 475711), (561, 363779), (663, 307813), (2431, 83949), (7293, 27983)]