217436235

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{977}}^1$

素因数の和:1423

約数の個数: 32

約数和(自身を含む): 358558272

約数和(自身を除く): 141122037

約数列:

[1, 3, 5, 15, 37, 111, 185, 401, 555, 977, 1203, 2005, 2931, 4885, 6015, 14655, 14837, 36149, 44511, 74185, 108447, 180745, 222555, 391777, 542235, 1175331, 1958885, 5876655, 14495749, 43487247, 72478745, 217436235]

約数ペア:

[(1, 217436235), (3, 72478745), (5, 43487247), (15, 14495749), (37, 5876655), (111, 1958885), (185, 1175331), (401, 542235), (555, 391777), (977, 222555), (1203, 180745), (2005, 108447), (2931, 74185), (4885, 44511), (6015, 36149), (14655, 14837)]