81481851

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 134615520

約数和(自身を除く): 53133669

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 101, 261, 281, 303, 319, 843, 909, 957, 1111, 2529, 2871, 2929, 3091, 3333, 8149, 8787, 9273, 9999, 24447, 26361, 27819, 28381, 32219, 73341, 85143, 89639, 96657, 255429, 268917, 289971, 312191, 806751, 823049, 936573, 2469147, 2809719, 7407441, 9053539, 27160617, 81481851]

約数ペア:

[(1, 81481851), (3, 27160617), (9, 9053539), (11, 7407441), (29, 2809719), (33, 2469147), (87, 936573), (99, 823049), (101, 806751), (261, 312191), (281, 289971), (303, 268917), (319, 255429), (843, 96657), (909, 89639), (957, 85143), (1111, 73341), (2529, 32219), (2871, 28381), (2929, 27819), (3091, 26361), (3333, 24447), (8149, 9999), (8787, 9273)]