71641251

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 119688192

約数和(自身を除く): 48046941

約数列:

[1, 3, 9, 11, 23, 33, 69, 73, 99, 207, 219, 253, 431, 657, 759, 803, 1293, 1679, 2277, 2409, 3879, 4741, 5037, 7227, 9913, 14223, 15111, 18469, 29739, 31463, 42669, 55407, 89217, 94389, 109043, 166221, 283167, 327129, 346093, 723649, 981387, 1038279, 2170947, 3114837, 6512841, 7960139, 23880417, 71641251]

約数ペア:

[(1, 71641251), (3, 23880417), (9, 7960139), (11, 6512841), (23, 3114837), (33, 2170947), (69, 1038279), (73, 981387), (99, 723649), (207, 346093), (219, 327129), (253, 283167), (431, 166221), (657, 109043), (759, 94389), (803, 89217), (1293, 55407), (1679, 42669), (2277, 31463), (2409, 29739), (3879, 18469), (4741, 15111), (5037, 14223), (7227, 9913)]