81469563

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{1087}}^1$

素因数の和:1223

約数の個数: 32

約数和(自身を含む): 128679936

約数和(自身を除く): 47210373

約数列:

[1, 3, 7, 21, 43, 83, 129, 249, 301, 581, 903, 1087, 1743, 3261, 3569, 7609, 10707, 22827, 24983, 46741, 74949, 90221, 140223, 270663, 327187, 631547, 981561, 1894641, 3879503, 11638509, 27156521, 81469563]

約数ペア:

[(1, 81469563), (3, 27156521), (7, 11638509), (21, 3879503), (43, 1894641), (83, 981561), (129, 631547), (249, 327187), (301, 270663), (581, 140223), (903, 90221), (1087, 74949), (1743, 46741), (3261, 24983), (3569, 22827), (7609, 10707)]