7256025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{271}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 15784704

約数和(自身を除く): 8528679

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 75, 85, 105, 119, 153, 175, 225, 255, 271, 315, 357, 425, 525, 595, 765, 813, 1071, 1275, 1355, 1575, 1785, 1897, 2439, 2975, 3825, 4065, 4607, 5355, 5691, 6775, 8925, 9485, 12195, 13821, 17073, 20325, 23035, 26775, 28455, 32249, 41463, 47425, 60975, 69105, 85365, 96747, 115175, 142275, 161245, 207315, 290241, 345525, 426825, 483735, 806225, 1036575, 1451205, 2418675, 7256025]

約数ペア:

[(1, 7256025), (3, 2418675), (5, 1451205), (7, 1036575), (9, 806225), (15, 483735), (17, 426825), (21, 345525), (25, 290241), (35, 207315), (45, 161245), (51, 142275), (63, 115175), (75, 96747), (85, 85365), (105, 69105), (119, 60975), (153, 47425), (175, 41463), (225, 32249), (255, 28455), (271, 26775), (315, 23035), (357, 20325), (425, 17073), (525, 13821), (595, 12195), (765, 9485), (813, 8925), (1071, 6775), (1275, 5691), (1355, 5355), (1575, 4607), (1785, 4065), (1897, 3825), (2439, 2975)]