27691281

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 43009920

約数和(自身を除く): 15318639

約数列:

[1, 3, 9, 27, 37, 53, 111, 159, 333, 477, 523, 999, 1431, 1569, 1961, 4707, 5883, 14121, 17649, 19351, 27719, 52947, 58053, 83157, 174159, 249471, 522477, 748413, 1025603, 3076809, 9230427, 27691281]

約数ペア:

[(1, 27691281), (3, 9230427), (9, 3076809), (27, 1025603), (37, 748413), (53, 522477), (111, 249471), (159, 174159), (333, 83157), (477, 58053), (523, 52947), (999, 27719), (1431, 19351), (1569, 17649), (1961, 14121), (4707, 5883)]