201420919

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1068

約数の個数: 32

約数和(自身を含む): 255488000

約数和(自身を除く): 54067081

約数列:

[1, 7, 19, 31, 49, 133, 217, 343, 589, 931, 997, 1519, 4123, 6517, 6979, 10633, 18943, 28861, 30907, 48853, 132601, 202027, 216349, 341971, 587233, 928207, 1514443, 4110631, 6497449, 10601101, 28774417, 201420919]

約数ペア:

[(1, 201420919), (7, 28774417), (19, 10601101), (31, 6497449), (49, 4110631), (133, 1514443), (217, 928207), (343, 587233), (589, 341971), (931, 216349), (997, 202027), (1519, 132601), (4123, 48853), (6517, 30907), (6979, 28861), (10633, 18943)]