206829441

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{839}}^1$

素因数の和:915

約数の個数: 72

約数和(自身を含む): 383423040

約数和(自身を除く): 176593599

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 49, 63, 91, 117, 129, 147, 273, 301, 387, 441, 559, 637, 819, 839, 903, 1677, 1911, 2107, 2517, 2709, 3913, 5031, 5733, 5873, 6321, 7551, 10907, 11739, 17619, 18963, 27391, 32721, 35217, 36077, 41111, 52857, 76349, 82173, 98163, 108231, 123333, 229047, 246519, 252539, 324693, 369999, 469001, 534443, 687141, 757617, 1407003, 1603329, 1767773, 2272851, 3283007, 4221009, 4809987, 5303319, 9849021, 15909957, 22981049, 29547063, 68943147, 206829441]

約数ペア:

[(1, 206829441), (3, 68943147), (7, 29547063), (9, 22981049), (13, 15909957), (21, 9849021), (39, 5303319), (43, 4809987), (49, 4221009), (63, 3283007), (91, 2272851), (117, 1767773), (129, 1603329), (147, 1407003), (273, 757617), (301, 687141), (387, 534443), (441, 469001), (559, 369999), (637, 324693), (819, 252539), (839, 246519), (903, 229047), (1677, 123333), (1911, 108231), (2107, 98163), (2517, 82173), (2709, 76349), (3913, 52857), (5031, 41111), (5733, 36077), (5873, 35217), (6321, 32721), (7551, 27391), (10907, 18963), (11739, 17619)]