8878905

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{397}}^1$

素因数の和:486

約数の個数: 48

約数和(自身を含む): 17881344

約数和(自身を除く): 9002439

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 71, 105, 213, 315, 355, 397, 497, 639, 1065, 1191, 1491, 1985, 2485, 2779, 3195, 3573, 4473, 5955, 7455, 8337, 13895, 17865, 22365, 25011, 28187, 41685, 84561, 125055, 140935, 197309, 253683, 422805, 591927, 986545, 1268415, 1775781, 2959635, 8878905]

約数ペア:

[(1, 8878905), (3, 2959635), (5, 1775781), (7, 1268415), (9, 986545), (15, 591927), (21, 422805), (35, 253683), (45, 197309), (63, 140935), (71, 125055), (105, 84561), (213, 41685), (315, 28187), (355, 25011), (397, 22365), (497, 17865), (639, 13895), (1065, 8337), (1191, 7455), (1491, 5955), (1985, 4473), (2485, 3573), (2779, 3195)]