61541991

素因数分解:

$3^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:461

約数の個数: 48

約数和(自身を含む): 107059680

約数和(自身を除く): 45517689

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 181, 189, 257, 441, 543, 771, 1267, 1323, 1629, 1799, 2313, 3801, 4887, 5397, 6939, 8869, 11403, 12593, 16191, 26607, 34209, 37779, 46517, 48573, 79821, 113337, 139551, 239463, 325619, 340011, 418653, 976857, 1255959, 2279333, 2930571, 6837999, 8791713, 20513997, 61541991]

約数ペア:

[(1, 61541991), (3, 20513997), (7, 8791713), (9, 6837999), (21, 2930571), (27, 2279333), (49, 1255959), (63, 976857), (147, 418653), (181, 340011), (189, 325619), (257, 239463), (441, 139551), (543, 113337), (771, 79821), (1267, 48573), (1323, 46517), (1629, 37779), (1799, 34209), (2313, 26607), (3801, 16191), (4887, 12593), (5397, 11403), (6939, 8869)]