78478803

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{2143}}^1$

素因数の和:2475

約数の個数: 24

約数和(自身を含む): 122525312

約数和(自身を除く): 44046509

約数列:

[1, 3, 9, 13, 39, 117, 313, 939, 2143, 2817, 4069, 6429, 12207, 19287, 27859, 36621, 83577, 250731, 670759, 2012277, 6036831, 8719867, 26159601, 78478803]

約数ペア:

[(1, 78478803), (3, 26159601), (9, 8719867), (13, 6036831), (39, 2012277), (117, 670759), (313, 250731), (939, 83577), (2143, 36621), (2817, 27859), (4069, 19287), (6429, 12207)]