28043631

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:122

約数の個数: 96

約数和(自身を含む): 55157760

約数和(自身を除く): 27114129

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 41, 47, 49, 63, 77, 99, 123, 141, 147, 189, 231, 287, 297, 329, 369, 423, 441, 451, 517, 539, 693, 861, 987, 1107, 1269, 1323, 1353, 1551, 1617, 1927, 2009, 2079, 2303, 2583, 2961, 3157, 3619, 4059, 4653, 4851, 5781, 6027, 6909, 7749, 8883, 9471, 10857, 12177, 13489, 13959, 14553, 17343, 18081, 20727, 21197, 22099, 25333, 28413, 32571, 40467, 52029, 54243, 62181, 63591, 66297, 75999, 85239, 94423, 97713, 121401, 148379, 190773, 198891, 227997, 283269, 364203, 445137, 572319, 596673, 683991, 849807, 1038653, 1335411, 2549421, 3115959, 4006233, 9347877, 28043631]

約数ペア:

[(1, 28043631), (3, 9347877), (7, 4006233), (9, 3115959), (11, 2549421), (21, 1335411), (27, 1038653), (33, 849807), (41, 683991), (47, 596673), (49, 572319), (63, 445137), (77, 364203), (99, 283269), (123, 227997), (141, 198891), (147, 190773), (189, 148379), (231, 121401), (287, 97713), (297, 94423), (329, 85239), (369, 75999), (423, 66297), (441, 63591), (451, 62181), (517, 54243), (539, 52029), (693, 40467), (861, 32571), (987, 28413), (1107, 25333), (1269, 22099), (1323, 21197), (1353, 20727), (1551, 18081), (1617, 17343), (1927, 14553), (2009, 13959), (2079, 13489), (2303, 12177), (2583, 10857), (2961, 9471), (3157, 8883), (3619, 7749), (4059, 6909), (4653, 6027), (4851, 5781)]