81176139

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 136805760

約数和(自身を除く): 55629621

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 139, 153, 187, 347, 417, 561, 1041, 1251, 1529, 1683, 2363, 3123, 3817, 4587, 5899, 7089, 11451, 13761, 17697, 21267, 25993, 34353, 48233, 53091, 64889, 77979, 144699, 194667, 233937, 434097, 530563, 584001, 819961, 1591689, 2459883, 4775067, 7379649, 9019571, 27058713, 81176139]

約数ペア:

[(1, 81176139), (3, 27058713), (9, 9019571), (11, 7379649), (17, 4775067), (33, 2459883), (51, 1591689), (99, 819961), (139, 584001), (153, 530563), (187, 434097), (347, 233937), (417, 194667), (561, 144699), (1041, 77979), (1251, 64889), (1529, 53091), (1683, 48233), (2363, 34353), (3123, 25993), (3817, 21267), (4587, 17697), (5899, 13761), (7089, 11451)]