128021049

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{1153}}^1$

素因数の和:1258

約数の個数: 36

約数和(自身を含む): 203157084

約数和(自身を除く): 75136035

約数列:

[1, 3, 9, 13, 39, 73, 117, 169, 219, 507, 657, 949, 1153, 1521, 2847, 3459, 8541, 10377, 12337, 14989, 37011, 44967, 84169, 111033, 134901, 194857, 252507, 584571, 757521, 1094197, 1753713, 3282591, 9847773, 14224561, 42673683, 128021049]

約数ペア:

[(1, 128021049), (3, 42673683), (9, 14224561), (13, 9847773), (39, 3282591), (73, 1753713), (117, 1094197), (169, 757521), (219, 584571), (507, 252507), (657, 194857), (949, 134901), (1153, 111033), (1521, 84169), (2847, 44967), (3459, 37011), (8541, 14989), (10377, 12337)]