201781017

素因数分解:

$3^3\times {\mathrm{37}}^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1$

素因数の和:239

約数の個数: 48

約数和(自身を含む): 316068480

約数和(自身を除く): 114287463

約数列:

[1, 3, 9, 27, 37, 53, 103, 111, 159, 309, 333, 477, 927, 999, 1369, 1431, 1961, 2781, 3811, 4107, 5459, 5883, 11433, 12321, 16377, 17649, 34299, 36963, 49131, 52947, 72557, 102897, 141007, 147393, 201983, 217671, 423021, 605949, 653013, 1269063, 1817847, 1959039, 3807189, 5453541, 7473371, 22420113, 67260339, 201781017]

約数ペア:

[(1, 201781017), (3, 67260339), (9, 22420113), (27, 7473371), (37, 5453541), (53, 3807189), (103, 1959039), (111, 1817847), (159, 1269063), (309, 653013), (333, 605949), (477, 423021), (927, 217671), (999, 201983), (1369, 147393), (1431, 141007), (1961, 102897), (2781, 72557), (3811, 52947), (4107, 49131), (5459, 36963), (5883, 34299), (11433, 17649), (12321, 16377)]