207120207

素因数分解:

$3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 342425600

約数和(自身を除く): 135305393

約数列:

[1, 3, 7, 21, 31, 43, 49, 93, 129, 147, 151, 217, 301, 343, 453, 651, 903, 1029, 1057, 1333, 1519, 2107, 3171, 3999, 4557, 4681, 6321, 6493, 7399, 9331, 10633, 14043, 14749, 19479, 22197, 27993, 31899, 32767, 44247, 45451, 51793, 65317, 98301, 136353, 155379, 195951, 201283, 229369, 318157, 457219, 603849, 688107, 954471, 1371657, 1408981, 1605583, 2227099, 4226943, 4816749, 6681297, 9862867, 29588601, 69040069, 207120207]

約数ペア:

[(1, 207120207), (3, 69040069), (7, 29588601), (21, 9862867), (31, 6681297), (43, 4816749), (49, 4226943), (93, 2227099), (129, 1605583), (147, 1408981), (151, 1371657), (217, 954471), (301, 688107), (343, 603849), (453, 457219), (651, 318157), (903, 229369), (1029, 201283), (1057, 195951), (1333, 155379), (1519, 136353), (2107, 98301), (3171, 65317), (3999, 51793), (4557, 45451), (4681, 44247), (6321, 32767), (6493, 31899), (7399, 27993), (9331, 22197), (10633, 19479), (14043, 14749)]