16662591

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{18701}}^1$

素因数の和:18724

約数の個数: 20

約数和(自身を含む): 27155304

約数和(自身を除く): 10492713

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 18701, 56103, 168309, 205711, 504927, 617133, 1514781, 1851399, 5554197, 16662591]

約数ペア:

[(1, 16662591), (3, 5554197), (9, 1851399), (11, 1514781), (27, 617133), (33, 504927), (81, 205711), (99, 168309), (297, 56103), (891, 18701)]