1968309

素因数分解:

$3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 3286400

約数和(自身を除く): 1318091

約数列:

[1, 3, 7, 9, 21, 63, 157, 199, 471, 597, 1099, 1393, 1413, 1791, 3297, 4179, 9891, 12537, 31243, 93729, 218701, 281187, 656103, 1968309]

約数ペア:

[(1, 1968309), (3, 656103), (7, 281187), (9, 218701), (21, 93729), (63, 31243), (157, 12537), (199, 9891), (471, 4179), (597, 3297), (1099, 1791), (1393, 1413)]