15771569373

素因数分解:

$3^4\times 7^1\times {\mathrm{109}}^1\times {\mathrm{255191}}^1$

素因数の和:255319

約数の個数: 40

約数和(自身を含む): 27172844160

約数和(自身を除く): 11401274787

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 109, 189, 327, 567, 763, 981, 2289, 2943, 6867, 8829, 20601, 61803, 255191, 765573, 1786337, 2296719, 5359011, 6890157, 16077033, 20670471, 27815819, 48231099, 83447457, 144693297, 194710733, 250342371, 584132199, 751027113, 1752396597, 2253081339, 5257189791, 15771569373]

約数ペア:

[(1, 15771569373), (3, 5257189791), (7, 2253081339), (9, 1752396597), (21, 751027113), (27, 584132199), (63, 250342371), (81, 194710733), (109, 144693297), (189, 83447457), (327, 48231099), (567, 27815819), (763, 20670471), (981, 16077033), (2289, 6890157), (2943, 5359011), (6867, 2296719), (8829, 1786337), (20601, 765573), (61803, 255191)]