11816271

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 18395520

約数和(自身を除く): 6579249

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 1607, 2451, 4821, 7353, 14463, 30533, 69101, 91599, 207303, 274797, 621909, 1312919, 3938757, 11816271]

約数ペア:

[(1, 11816271), (3, 3938757), (9, 1312919), (19, 621909), (43, 274797), (57, 207303), (129, 91599), (171, 69101), (387, 30533), (817, 14463), (1607, 7353), (2451, 4821)]