1901025

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 72

約数和(自身を含む): 4178304

約数和(自身を除く): 2277279

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 35, 45, 51, 63, 71, 75, 85, 105, 119, 153, 175, 213, 225, 255, 315, 355, 357, 425, 497, 525, 595, 639, 765, 1065, 1071, 1207, 1275, 1491, 1575, 1775, 1785, 2485, 2975, 3195, 3621, 3825, 4473, 5325, 5355, 6035, 7455, 8449, 8925, 10863, 12425, 15975, 18105, 22365, 25347, 26775, 30175, 37275, 42245, 54315, 76041, 90525, 111825, 126735, 211225, 271575, 380205, 633675, 1901025]

約数ペア:

[(1, 1901025), (3, 633675), (5, 380205), (7, 271575), (9, 211225), (15, 126735), (17, 111825), (21, 90525), (25, 76041), (35, 54315), (45, 42245), (51, 37275), (63, 30175), (71, 26775), (75, 25347), (85, 22365), (105, 18105), (119, 15975), (153, 12425), (175, 10863), (213, 8925), (225, 8449), (255, 7455), (315, 6035), (355, 5355), (357, 5325), (425, 4473), (497, 3825), (525, 3621), (595, 3195), (639, 2975), (765, 2485), (1065, 1785), (1071, 1775), (1207, 1575), (1275, 1491)]