4000821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{2957}}^1$

素因数の和:3012

約数の個数: 16

約数和(自身を含む): 5963328

約数和(自身を除く): 1962507

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 2957, 8871, 32527, 97581, 121237, 363711, 1333607, 4000821]

約数ペア:

[(1, 4000821), (3, 1333607), (11, 363711), (33, 121237), (41, 97581), (123, 32527), (451, 8871), (1353, 2957)]