6991866

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 18144000

約数和(自身を除く): 11152134

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 53, 54, 63, 106, 126, 159, 189, 318, 349, 371, 378, 477, 698, 742, 954, 1047, 1113, 1431, 2094, 2226, 2443, 2862, 3141, 3339, 4886, 6282, 6678, 7329, 9423, 10017, 14658, 18497, 18846, 20034, 21987, 36994, 43974, 55491, 65961, 110982, 129479, 131922, 166473, 258958, 332946, 388437, 499419, 776874, 998838, 1165311, 2330622, 3495933, 6991866]

約数ペア:

[(1, 6991866), (2, 3495933), (3, 2330622), (6, 1165311), (7, 998838), (9, 776874), (14, 499419), (18, 388437), (21, 332946), (27, 258958), (42, 166473), (53, 131922), (54, 129479), (63, 110982), (106, 65961), (126, 55491), (159, 43974), (189, 36994), (318, 21987), (349, 20034), (371, 18846), (378, 18497), (477, 14658), (698, 10017), (742, 9423), (954, 7329), (1047, 6678), (1113, 6282), (1431, 4886), (2094, 3339), (2226, 3141), (2443, 2862)]