1971039

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1997}}^1$

素因数の和:2054

約数の個数: 16

約数和(自身を含む): 3068928

約数和(自身を除く): 1097889

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 1997, 5991, 13979, 41937, 93859, 281577, 657013, 1971039]

約数ペア:

[(1, 1971039), (3, 657013), (7, 281577), (21, 93859), (47, 41937), (141, 13979), (329, 5991), (987, 1997)]