19775672007

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{240659}}^1$

素因数の和:240732

約数の個数: 48

約数和(自身を含む): 33800215680

約数和(自身を除く): 14024543673

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 273, 301, 559, 637, 903, 1677, 1911, 2107, 3913, 6321, 11739, 27391, 82173, 240659, 721977, 1684613, 3128567, 5053839, 9385701, 10348337, 11792291, 21899969, 31045011, 35376873, 65699907, 72438359, 134528381, 153299783, 217315077, 403585143, 459899349, 507068513, 941698667, 1521205539, 2825096001, 6591890669, 19775672007]

約数ペア:

[(1, 19775672007), (3, 6591890669), (7, 2825096001), (13, 1521205539), (21, 941698667), (39, 507068513), (43, 459899349), (49, 403585143), (91, 217315077), (129, 153299783), (147, 134528381), (273, 72438359), (301, 65699907), (559, 35376873), (637, 31045011), (903, 21899969), (1677, 11792291), (1911, 10348337), (2107, 9385701), (3913, 5053839), (6321, 3128567), (11739, 1684613), (27391, 721977), (82173, 240659)]