1388907

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1319}}^1$

素因数の和:1344

約数の個数: 20

約数和(自身を含む): 2236080

約数和(自身を除く): 847173

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1319, 3957, 11871, 17147, 35613, 51441, 106839, 154323, 462969, 1388907]

約数ペア:

[(1, 1388907), (3, 462969), (9, 154323), (13, 106839), (27, 51441), (39, 35613), (81, 17147), (117, 11871), (351, 3957), (1053, 1319)]