81235707

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{727}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 131668992

約数和(自身を除く): 50433285

約数列:

[1, 3, 7, 17, 21, 51, 119, 313, 357, 727, 939, 2181, 2191, 5089, 5321, 6573, 12359, 15267, 15963, 37077, 37247, 86513, 111741, 227551, 259539, 682653, 1592857, 3868367, 4778571, 11605101, 27078569, 81235707]

約数ペア:

[(1, 81235707), (3, 27078569), (7, 11605101), (17, 4778571), (21, 3868367), (51, 1592857), (119, 682653), (313, 259539), (357, 227551), (727, 111741), (939, 86513), (2181, 37247), (2191, 37077), (5089, 15963), (5321, 15267), (6573, 12359)]