388766007

素因数分解:

$3^3\times 7^1\times {\mathrm{2056963}}^1$

素因数の和:2056979

約数の個数: 16

約数和(自身を含む): 658228480

約数和(自身を除く): 269462473

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2056963, 6170889, 14398741, 18512667, 43196223, 55538001, 129588669, 388766007]

約数ペア:

[(1, 388766007), (3, 129588669), (7, 55538001), (9, 43196223), (21, 18512667), (27, 14398741), (63, 6170889), (189, 2056963)]