206864415

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3919}}^1$

素因数の和:3973

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 199561185

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 459, 621, 765, 1035, 1173, 1955, 2295, 3105, 3519, 3919, 5865, 10557, 11757, 17595, 19595, 35271, 52785, 58785, 66623, 90137, 105813, 176355, 199869, 270411, 333115, 450685, 529065, 599607, 811233, 999345, 1352055, 1532329, 1798821, 2433699, 2998035, 4056165, 4596987, 7661645, 8994105, 12168495, 13790961, 22984935, 41372883, 68954805, 206864415]

約数ペア:

[(1, 206864415), (3, 68954805), (5, 41372883), (9, 22984935), (15, 13790961), (17, 12168495), (23, 8994105), (27, 7661645), (45, 4596987), (51, 4056165), (69, 2998035), (85, 2433699), (115, 1798821), (135, 1532329), (153, 1352055), (207, 999345), (255, 811233), (345, 599607), (391, 529065), (459, 450685), (621, 333115), (765, 270411), (1035, 199869), (1173, 176355), (1955, 105813), (2295, 90137), (3105, 66623), (3519, 58785), (3919, 52785), (5865, 35271), (10557, 19595), (11757, 17595)]