8405991

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:145

約数の個数: 48

約数和(自身を含む): 14300160

約数和(自身を除く): 5894169

約数列:

[1, 3, 9, 11, 27, 31, 33, 83, 93, 99, 121, 249, 279, 297, 341, 363, 747, 837, 913, 1023, 1089, 2241, 2573, 2739, 3069, 3267, 3751, 7719, 8217, 9207, 10043, 11253, 23157, 24651, 28303, 30129, 33759, 69471, 84909, 90387, 101277, 254727, 271161, 311333, 764181, 933999, 2801997, 8405991]

約数ペア:

[(1, 8405991), (3, 2801997), (9, 933999), (11, 764181), (27, 311333), (31, 271161), (33, 254727), (83, 101277), (93, 90387), (99, 84909), (121, 69471), (249, 33759), (279, 30129), (297, 28303), (341, 24651), (363, 23157), (747, 11253), (837, 10043), (913, 9207), (1023, 8217), (1089, 7719), (2241, 3751), (2573, 3267), (2739, 3069)]