208925859

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{27779}}^1$

素因数の和:27914

約数の個数: 16

約数和(自身を含む): 293356800

約数和(自身を除く): 84430941

約数列:

[1, 3, 23, 69, 109, 327, 2507, 7521, 27779, 83337, 638917, 1916751, 3027911, 9083733, 69641953, 208925859]

約数ペア:

[(1, 208925859), (3, 69641953), (23, 9083733), (69, 3027911), (109, 1916751), (327, 638917), (2507, 83337), (7521, 27779)]