638652729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1488701}}^1$

素因数の和:1488728

約数の個数: 16

約数和(自身を含む): 1000407744

約数和(自身を除く): 361755015

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 1488701, 4466103, 16375711, 19353113, 49127133, 58059339, 212884243, 638652729]

約数ペア:

[(1, 638652729), (3, 212884243), (11, 58059339), (13, 49127133), (33, 19353113), (39, 16375711), (143, 4466103), (429, 1488701)]