2661435

素因数分解:

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

素因数の和:113

約数の個数: 72

約数和(自身を含む): 5762016

約数和(自身を除く): 3100581

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 71, 85, 105, 119, 147, 153, 213, 245, 255, 315, 355, 357, 441, 497, 595, 639, 735, 765, 833, 1065, 1071, 1207, 1491, 1785, 2205, 2485, 2499, 3195, 3479, 3621, 4165, 4473, 5355, 6035, 7455, 7497, 8449, 10437, 10863, 12495, 17395, 18105, 22365, 25347, 31311, 37485, 42245, 52185, 54315, 59143, 76041, 126735, 156555, 177429, 295715, 380205, 532287, 887145, 2661435]

約数ペア:

[(1, 2661435), (3, 887145), (5, 532287), (7, 380205), (9, 295715), (15, 177429), (17, 156555), (21, 126735), (35, 76041), (45, 59143), (49, 54315), (51, 52185), (63, 42245), (71, 37485), (85, 31311), (105, 25347), (119, 22365), (147, 18105), (153, 17395), (213, 12495), (245, 10863), (255, 10437), (315, 8449), (355, 7497), (357, 7455), (441, 6035), (497, 5355), (595, 4473), (639, 4165), (735, 3621), (765, 3479), (833, 3195), (1065, 2499), (1071, 2485), (1207, 2205), (1491, 1785)]