28116477

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{1109}}^1$

素因数の和:1434

約数の個数: 20

約数和(自身を含む): 42173340

約数和(自身を除く): 14056863

約数列:

[1, 3, 9, 27, 81, 313, 939, 1109, 2817, 3327, 8451, 9981, 25353, 29943, 89829, 347117, 1041351, 3124053, 9372159, 28116477]

約数ペア:

[(1, 28116477), (3, 9372159), (9, 3124053), (27, 1041351), (81, 347117), (313, 89829), (939, 29943), (1109, 25353), (2817, 9981), (3327, 8451)]