28287063

素因数分解:

$3^4\times 7^2\times {\mathrm{7127}}^1$

素因数の和:7153

約数の個数: 30

約数和(自身を含む): 49161816

約数和(自身を除く): 20874753

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 7127, 21381, 49889, 64143, 149667, 192429, 349223, 449001, 577287, 1047669, 1347003, 3143007, 4041009, 9429021, 28287063]

約数ペア:

[(1, 28287063), (3, 9429021), (7, 4041009), (9, 3143007), (21, 1347003), (27, 1047669), (49, 577287), (63, 449001), (81, 349223), (147, 192429), (189, 149667), (441, 64143), (567, 49889), (1323, 21381), (3969, 7127)]