2013121719

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{679879}}^1$

素因数の和:679939

約数の個数: 24

約数和(自身を含む): 3393960960

約数和(自身を除く): 1380839241

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 679879, 2039637, 4759153, 6118911, 14277459, 31954313, 42832377, 95862939, 223680191, 287588817, 671040573, 2013121719]

約数ペア:

[(1, 2013121719), (3, 671040573), (7, 287588817), (9, 223680191), (21, 95862939), (47, 42832377), (63, 31954313), (141, 14277459), (329, 6118911), (423, 4759153), (987, 2039637), (2961, 679879)]