201501905

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{4691}}^1$

素因数の和:4789

約数の個数: 24

約数和(自身を含む): 269583552

約数和(自身を除く): 68081647

約数列:

[1, 5, 11, 55, 71, 121, 355, 605, 781, 3905, 4691, 8591, 23455, 42955, 51601, 258005, 333061, 567611, 1665305, 2838055, 3663671, 18318355, 40300381, 201501905]

約数ペア:

[(1, 201501905), (5, 40300381), (11, 18318355), (55, 3663671), (71, 2838055), (121, 1665305), (355, 567611), (605, 333061), (781, 258005), (3905, 51601), (4691, 42955), (8591, 23455)]