181878669

素因数分解:

$3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:407

約数の個数: 64

約数和(自身を含む): 319610880

約数和(自身を除く): 137732211

約数列:

[1, 3, 7, 9, 21, 27, 53, 63, 67, 159, 189, 201, 271, 371, 469, 477, 603, 813, 1113, 1407, 1431, 1809, 1897, 2439, 3339, 3551, 4221, 5691, 7317, 10017, 10653, 12663, 14363, 17073, 18157, 24857, 31959, 43089, 51219, 54471, 74571, 95877, 100541, 127099, 129267, 163413, 223713, 301623, 381297, 387801, 490239, 671139, 904869, 962321, 1143891, 2714607, 2886963, 3431673, 6736247, 8660889, 20208741, 25982667, 60626223, 181878669]

約数ペア:

[(1, 181878669), (3, 60626223), (7, 25982667), (9, 20208741), (21, 8660889), (27, 6736247), (53, 3431673), (63, 2886963), (67, 2714607), (159, 1143891), (189, 962321), (201, 904869), (271, 671139), (371, 490239), (469, 387801), (477, 381297), (603, 301623), (813, 223713), (1113, 163413), (1407, 129267), (1431, 127099), (1809, 100541), (1897, 95877), (2439, 74571), (3339, 54471), (3551, 51219), (4221, 43089), (5691, 31959), (7317, 24857), (10017, 18157), (10653, 17073), (12663, 14363)]