31557015

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:189

約数の個数: 96

約数和(自身を含む): 67931136

約数和(自身を除く): 36374121

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 71, 83, 85, 105, 119, 153, 213, 249, 255, 315, 355, 357, 415, 497, 581, 595, 639, 747, 765, 1065, 1071, 1207, 1245, 1411, 1491, 1743, 1785, 2485, 2905, 3195, 3621, 3735, 4233, 4473, 5229, 5355, 5893, 6035, 7055, 7455, 8449, 8715, 9877, 10863, 12699, 17679, 18105, 21165, 22365, 25347, 26145, 29465, 29631, 41251, 42245, 49385, 53037, 54315, 63495, 76041, 88395, 88893, 100181, 123753, 126735, 148155, 206255, 265185, 300543, 371259, 380205, 444465, 500905, 618765, 701267, 901629, 1502715, 1856295, 2103801, 3506335, 4508145, 6311403, 10519005, 31557015]

約数ペア:

[(1, 31557015), (3, 10519005), (5, 6311403), (7, 4508145), (9, 3506335), (15, 2103801), (17, 1856295), (21, 1502715), (35, 901629), (45, 701267), (51, 618765), (63, 500905), (71, 444465), (83, 380205), (85, 371259), (105, 300543), (119, 265185), (153, 206255), (213, 148155), (249, 126735), (255, 123753), (315, 100181), (355, 88893), (357, 88395), (415, 76041), (497, 63495), (581, 54315), (595, 53037), (639, 49385), (747, 42245), (765, 41251), (1065, 29631), (1071, 29465), (1207, 26145), (1245, 25347), (1411, 22365), (1491, 21165), (1743, 18105), (1785, 17679), (2485, 12699), (2905, 10863), (3195, 9877), (3621, 8715), (3735, 8449), (4233, 7455), (4473, 7055), (5229, 6035), (5355, 5893)]