11979009

素因数分解:

$3^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 21040448

約数和(自身を除く): 9061439

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 81, 111, 189, 259, 333, 567, 571, 777, 999, 1713, 2331, 2997, 3997, 5139, 6993, 11991, 15417, 20979, 21127, 35973, 46251, 63381, 107919, 147889, 190143, 323757, 443667, 570429, 1331001, 1711287, 3993003, 11979009]

約数ペア:

[(1, 11979009), (3, 3993003), (7, 1711287), (9, 1331001), (21, 570429), (27, 443667), (37, 323757), (63, 190143), (81, 147889), (111, 107919), (189, 63381), (259, 46251), (333, 35973), (567, 21127), (571, 20979), (777, 15417), (999, 11991), (1713, 6993), (2331, 5139), (2997, 3997)]