213078369

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{2767}}^1$

素因数の和:2989

約数の個数: 32

約数和(自身を含む): 343674880

約数和(自身を除く): 130596511

約数列:

[1, 3, 7, 19, 21, 57, 133, 193, 399, 579, 1351, 2767, 3667, 4053, 8301, 11001, 19369, 25669, 52573, 58107, 77007, 157719, 368011, 534031, 1104033, 1602093, 3738217, 10146589, 11214651, 30439767, 71026123, 213078369]

約数ペア:

[(1, 213078369), (3, 71026123), (7, 30439767), (19, 11214651), (21, 10146589), (57, 3738217), (133, 1602093), (193, 1104033), (399, 534031), (579, 368011), (1351, 157719), (2767, 77007), (3667, 58107), (4053, 52573), (8301, 25669), (11001, 19369)]