208977009

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{3433}}^1$

素因数の和:3736

約数の個数: 16

約数和(自身を含む): 282851712

約数和(自身を除く): 73874703

約数列:

[1, 3, 103, 197, 309, 591, 3433, 10299, 20291, 60873, 353599, 676301, 1060797, 2028903, 69659003, 208977009]

約数ペア:

[(1, 208977009), (3, 69659003), (103, 2028903), (197, 1060797), (309, 676301), (591, 353599), (3433, 60873), (10299, 20291)]