81791811

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1889}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 125601840

約数和(自身を除く): 43810029

約数列:

[1, 3, 9, 17, 51, 153, 283, 849, 1889, 2547, 4811, 5667, 14433, 17001, 32113, 43299, 96339, 289017, 534587, 1603761, 4811283, 9087979, 27263937, 81791811]

約数ペア:

[(1, 81791811), (3, 27263937), (9, 9087979), (17, 4811283), (51, 1603761), (153, 534587), (283, 289017), (849, 96339), (1889, 43299), (2547, 32113), (4811, 17001), (5667, 14433)]