27205731

素因数分解:

$3^2\times 7^4\times {\mathrm{1259}}^1$

素因数の和:1293

約数の個数: 30

約数和(自身を含む): 45880380

約数和(自身を除く): 18674649

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 1259, 2401, 3087, 3777, 7203, 8813, 11331, 21609, 26439, 61691, 79317, 185073, 431837, 555219, 1295511, 3022859, 3886533, 9068577, 27205731]

約数ペア:

[(1, 27205731), (3, 9068577), (7, 3886533), (9, 3022859), (21, 1295511), (49, 555219), (63, 431837), (147, 185073), (343, 79317), (441, 61691), (1029, 26439), (1259, 21609), (2401, 11331), (3087, 8813), (3777, 7203)]