208021527

素因数分解:

$3^4\times 7^1\times {\mathrm{366881}}^1$

素因数の和:366900

約数の個数: 20

約数和(自身を含む): 355141776

約数和(自身を除く): 147120249

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 366881, 1100643, 2568167, 3301929, 7704501, 9905787, 23113503, 29717361, 69340509, 208021527]

約数ペア:

[(1, 208021527), (3, 69340509), (7, 29717361), (9, 23113503), (21, 9905787), (27, 7704501), (63, 3301929), (81, 2568167), (189, 1100643), (567, 366881)]