68665401

素因数分解:

$3^4\times 7^1\times {\mathrm{347}}^1\times {\mathrm{349}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 117902400

約数和(自身を除く): 49236999

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 347, 349, 567, 1041, 1047, 2429, 2443, 3123, 3141, 7287, 7329, 9369, 9423, 21861, 21987, 28107, 28269, 65583, 65961, 121103, 196749, 197883, 363309, 847721, 1089927, 2543163, 3269781, 7629489, 9809343, 22888467, 68665401]

約数ペア:

[(1, 68665401), (3, 22888467), (7, 9809343), (9, 7629489), (21, 3269781), (27, 2543163), (63, 1089927), (81, 847721), (189, 363309), (347, 197883), (349, 196749), (567, 121103), (1041, 65961), (1047, 65583), (2429, 28269), (2443, 28107), (3123, 21987), (3141, 21861), (7287, 9423), (7329, 9369)]