27251721

素因数分解:

$3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:492

約数の個数: 48

約数和(自身を含む): 48024704

約数和(自身を除く): 20772983

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 243, 259, 333, 433, 567, 777, 999, 1299, 1701, 2331, 2997, 3031, 3897, 6993, 8991, 9093, 11691, 16021, 20979, 27279, 35073, 48063, 62937, 81837, 105219, 112147, 144189, 245511, 336441, 432567, 736533, 1009323, 1297701, 3027969, 3893103, 9083907, 27251721]

約数ペア:

[(1, 27251721), (3, 9083907), (7, 3893103), (9, 3027969), (21, 1297701), (27, 1009323), (37, 736533), (63, 432567), (81, 336441), (111, 245511), (189, 144189), (243, 112147), (259, 105219), (333, 81837), (433, 62937), (567, 48063), (777, 35073), (999, 27279), (1299, 20979), (1701, 16021), (2331, 11691), (2997, 9093), (3031, 8991), (3897, 6993)]