3997809

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{7793}}^1$

素因数の和:7821

約数の個数: 16

約数和(自身を含む): 6235200

約数和(自身を除く): 2237391

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 7793, 23379, 70137, 148067, 210411, 444201, 1332603, 3997809]

約数ペア:

[(1, 3997809), (3, 1332603), (9, 444201), (19, 210411), (27, 148067), (57, 70137), (171, 23379), (513, 7793)]