51248439

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 85722624

約数和(自身を除く): 34474185

約数列:

[1, 3, 9, 11, 23, 33, 69, 71, 99, 207, 213, 253, 317, 639, 759, 781, 951, 1633, 2277, 2343, 2853, 3487, 4899, 7029, 7291, 10461, 14697, 17963, 21873, 22507, 31383, 53889, 65619, 67521, 80201, 161667, 202563, 240603, 247577, 517661, 721809, 742731, 1552983, 2228193, 4658949, 5694271, 17082813, 51248439]

約数ペア:

[(1, 51248439), (3, 17082813), (9, 5694271), (11, 4658949), (23, 2228193), (33, 1552983), (69, 742731), (71, 721809), (99, 517661), (207, 247577), (213, 240603), (253, 202563), (317, 161667), (639, 80201), (759, 67521), (781, 65619), (951, 53889), (1633, 31383), (2277, 22507), (2343, 21873), (2853, 17963), (3487, 14697), (4899, 10461), (7029, 7291)]