40518009

素因数分解:

$3^3\times 7^1\times {\mathrm{214381}}^1$

素因数の和:214397

約数の個数: 16

約数和(自身を含む): 68602240

約数和(自身を除く): 28084231

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 214381, 643143, 1500667, 1929429, 4502001, 5788287, 13506003, 40518009]

約数ペア:

[(1, 40518009), (3, 13506003), (7, 5788287), (9, 4502001), (21, 1929429), (27, 1500667), (63, 643143), (189, 214381)]