9789906

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 23500800

約数和(自身を除く): 13710894

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 67, 71, 98, 134, 142, 147, 201, 213, 294, 343, 402, 426, 469, 497, 686, 938, 994, 1029, 1407, 1491, 2058, 2814, 2982, 3283, 3479, 4757, 6566, 6958, 9514, 9849, 10437, 14271, 19698, 20874, 22981, 24353, 28542, 33299, 45962, 48706, 66598, 68943, 73059, 99897, 137886, 146118, 199794, 233093, 466186, 699279, 1398558, 1631651, 3263302, 4894953, 9789906]

約数ペア:

[(1, 9789906), (2, 4894953), (3, 3263302), (6, 1631651), (7, 1398558), (14, 699279), (21, 466186), (42, 233093), (49, 199794), (67, 146118), (71, 137886), (98, 99897), (134, 73059), (142, 68943), (147, 66598), (201, 48706), (213, 45962), (294, 33299), (343, 28542), (402, 24353), (426, 22981), (469, 20874), (497, 19698), (686, 14271), (938, 10437), (994, 9849), (1029, 9514), (1407, 6958), (1491, 6566), (2058, 4757), (2814, 3479), (2982, 3283)]