209213169

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{21937}}^1$

素因数の和:21985

約数の個数: 24

約数和(自身を含む): 323278368

約数和(自身を除く): 114065199

約数列:

[1, 3, 11, 17, 33, 51, 187, 289, 561, 867, 3179, 9537, 21937, 65811, 241307, 372929, 723921, 1118787, 4102219, 6339793, 12306657, 19019379, 69737723, 209213169]

約数ペア:

[(1, 209213169), (3, 69737723), (11, 19019379), (17, 12306657), (33, 6339793), (51, 4102219), (187, 1118787), (289, 723921), (561, 372929), (867, 241307), (3179, 65811), (9537, 21937)]