201742555

素因数分解:

$5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{13499}}^1$

素因数の和:13579

約数の個数: 24

約数和(自身を含む): 286254000

約数和(自身を除く): 84511445

約数列:

[1, 5, 7, 35, 49, 61, 245, 305, 427, 2135, 2989, 13499, 14945, 67495, 94493, 472465, 661451, 823439, 3307255, 4117195, 5764073, 28820365, 40348511, 201742555]

約数ペア:

[(1, 201742555), (5, 40348511), (7, 28820365), (35, 5764073), (49, 4117195), (61, 3307255), (245, 823439), (305, 661451), (427, 472465), (2135, 94493), (2989, 67495), (13499, 14945)]