42940017

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{811}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 66648960

約数和(自身を除く): 23708943

約数列:

[1, 3, 9, 27, 37, 53, 111, 159, 333, 477, 811, 999, 1431, 1961, 2433, 5883, 7299, 17649, 21897, 30007, 42983, 52947, 90021, 128949, 270063, 386847, 810189, 1160541, 1590371, 4771113, 14313339, 42940017]

約数ペア:

[(1, 42940017), (3, 14313339), (9, 4771113), (27, 1590371), (37, 1160541), (53, 810189), (111, 386847), (159, 270063), (333, 128949), (477, 90021), (811, 52947), (999, 42983), (1431, 30007), (1961, 21897), (2433, 17649), (5883, 7299)]