201718719

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{30661}}^1$

素因数の和:30727

約数の個数: 24

約数和(自身を含む): 315695952

約数和(自身を除く): 113977233

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 30661, 91983, 275949, 521237, 1318423, 1563711, 3955269, 4691133, 11865807, 22413191, 67239573, 201718719]

約数ペア:

[(1, 201718719), (3, 67239573), (9, 22413191), (17, 11865807), (43, 4691133), (51, 3955269), (129, 1563711), (153, 1318423), (387, 521237), (731, 275949), (2193, 91983), (6579, 30661)]