206906406939

素因数分解:

$3^3\times {\mathrm{431}}^1\times {\mathrm{17780047}}^1$

素因数の和:17780487

約数の個数: 16

約数和(自身を含む): 307239229440

約数和(自身を除く): 100332822501

約数列:

[1, 3, 9, 27, 431, 1293, 3879, 11637, 17780047, 53340141, 160020423, 480061269, 7663200257, 22989600771, 68968802313, 206906406939]

約数ペア:

[(1, 206906406939), (3, 68968802313), (9, 22989600771), (27, 7663200257), (431, 480061269), (1293, 160020423), (3879, 53340141), (11637, 17780047)]