87209031

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 170311680

約数和(自身を除く): 83102649

約数列:

[1, 3, 7, 13, 17, 19, 21, 23, 39, 43, 51, 57, 69, 91, 119, 129, 133, 161, 221, 247, 273, 299, 301, 323, 357, 391, 399, 437, 483, 559, 663, 731, 741, 817, 897, 903, 969, 989, 1173, 1311, 1547, 1677, 1729, 2093, 2193, 2261, 2451, 2737, 2967, 3059, 3913, 4199, 4641, 5083, 5117, 5187, 5681, 5719, 6279, 6783, 6923, 7429, 8211, 9177, 9503, 10621, 11739, 12597, 12857, 13889, 15249, 15351, 16813, 17043, 17157, 18791, 20769, 22287, 28509, 29393, 31863, 35581, 38571, 39767, 41667, 50439, 52003, 56373, 66521, 74347, 88179, 89999, 96577, 97223, 106743, 117691, 119301, 131537, 156009, 180557, 199563, 218569, 223041, 244283, 269997, 289731, 291669, 319447, 353073, 394611, 541671, 655707, 676039, 732849, 958341, 1263899, 1529983, 1709981, 2028117, 2236129, 3791697, 4152811, 4589949, 5129943, 6708387, 12458433, 29069677, 87209031]

約数ペア:

[(1, 87209031), (3, 29069677), (7, 12458433), (13, 6708387), (17, 5129943), (19, 4589949), (21, 4152811), (23, 3791697), (39, 2236129), (43, 2028117), (51, 1709981), (57, 1529983), (69, 1263899), (91, 958341), (119, 732849), (129, 676039), (133, 655707), (161, 541671), (221, 394611), (247, 353073), (273, 319447), (299, 291669), (301, 289731), (323, 269997), (357, 244283), (391, 223041), (399, 218569), (437, 199563), (483, 180557), (559, 156009), (663, 131537), (731, 119301), (741, 117691), (817, 106743), (897, 97223), (903, 96577), (969, 89999), (989, 88179), (1173, 74347), (1311, 66521), (1547, 56373), (1677, 52003), (1729, 50439), (2093, 41667), (2193, 39767), (2261, 38571), (2451, 35581), (2737, 31863), (2967, 29393), (3059, 28509), (3913, 22287), (4199, 20769), (4641, 18791), (5083, 17157), (5117, 17043), (5187, 16813), (5681, 15351), (5719, 15249), (6279, 13889), (6783, 12857), (6923, 12597), (7429, 11739), (8211, 10621), (9177, 9503)]