47139813

素因数分解:

$3^5\times 7^2\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 85149792

約数和(自身を除く): 38009979

約数列:

[1, 3, 7, 9, 21, 27, 37, 49, 63, 81, 107, 111, 147, 189, 243, 259, 321, 333, 441, 567, 749, 777, 963, 999, 1323, 1701, 1813, 2247, 2331, 2889, 2997, 3959, 3969, 5243, 5439, 6741, 6993, 8667, 8991, 11877, 11907, 15729, 16317, 20223, 20979, 26001, 27713, 35631, 47187, 48951, 60669, 62937, 83139, 106893, 141561, 146853, 182007, 193991, 249417, 320679, 424683, 440559, 581973, 748251, 962037, 1274049, 1745919, 2244753, 5237757, 6734259, 15713271, 47139813]

約数ペア:

[(1, 47139813), (3, 15713271), (7, 6734259), (9, 5237757), (21, 2244753), (27, 1745919), (37, 1274049), (49, 962037), (63, 748251), (81, 581973), (107, 440559), (111, 424683), (147, 320679), (189, 249417), (243, 193991), (259, 182007), (321, 146853), (333, 141561), (441, 106893), (567, 83139), (749, 62937), (777, 60669), (963, 48951), (999, 47187), (1323, 35631), (1701, 27713), (1813, 26001), (2247, 20979), (2331, 20223), (2889, 16317), (2997, 15729), (3959, 11907), (3969, 11877), (5243, 8991), (5439, 8667), (6741, 6993)]