217436511

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1791

約数の個数: 32

約数和(自身を含む): 320882688

約数和(自身を除く): 103446177

約数列:

[1, 3, 17, 31, 51, 83, 93, 249, 527, 1411, 1581, 1657, 2573, 4233, 4971, 7719, 28169, 43741, 51367, 84507, 131223, 137531, 154101, 412593, 873239, 2338027, 2619717, 4263461, 7014081, 12790383, 72478837, 217436511]

約数ペア:

[(1, 217436511), (3, 72478837), (17, 12790383), (31, 7014081), (51, 4263461), (83, 2619717), (93, 2338027), (249, 873239), (527, 412593), (1411, 154101), (1581, 137531), (1657, 131223), (2573, 84507), (4233, 51367), (4971, 43741), (7719, 28169)]