18318729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{42701}}^1$

素因数の和:42728

約数の個数: 16

約数和(自身を含む): 28695744

約数和(自身を除く): 10377015

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 42701, 128103, 469711, 555113, 1409133, 1665339, 6106243, 18318729]

約数ペア:

[(1, 18318729), (3, 6106243), (11, 1665339), (13, 1409133), (33, 555113), (39, 469711), (143, 128103), (429, 42701)]