212713025

素因数分解:

$5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{11801}}^1$

素因数の和:11921

約数の個数: 24

約数和(自身を含む): 304397184

約数和(自身を除く): 91684159

約数列:

[1, 5, 7, 25, 35, 103, 175, 515, 721, 2575, 3605, 11801, 18025, 59005, 82607, 295025, 413035, 1215503, 2065175, 6077515, 8508521, 30387575, 42542605, 212713025]

約数ペア:

[(1, 212713025), (5, 42542605), (7, 30387575), (25, 8508521), (35, 6077515), (103, 2065175), (175, 1215503), (515, 413035), (721, 295025), (2575, 82607), (3605, 59005), (11801, 18025)]