210204303

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1\times {\mathrm{431}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 303823872

約数和(自身を除く): 93619569

約数列:

[1, 3, 17, 51, 73, 131, 219, 393, 431, 1241, 1293, 2227, 3723, 6681, 7327, 9563, 21981, 28689, 31463, 56461, 94389, 162571, 169383, 487713, 534871, 959837, 1604613, 2879511, 4121653, 12364959, 70068101, 210204303]

約数ペア:

[(1, 210204303), (3, 70068101), (17, 12364959), (51, 4121653), (73, 2879511), (131, 1604613), (219, 959837), (393, 534871), (431, 487713), (1241, 169383), (1293, 162571), (2227, 94389), (3723, 56461), (6681, 31463), (7327, 28689), (9563, 21981)]