28384317

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{419}}^1$

素因数の和:634

約数の個数: 32

約数和(自身を含む): 45628800

約数和(自身を除く): 17244483

約数列:

[1, 3, 9, 13, 27, 39, 117, 193, 351, 419, 579, 1257, 1737, 2509, 3771, 5211, 5447, 7527, 11313, 16341, 22581, 49023, 67743, 80867, 147069, 242601, 727803, 1051271, 2183409, 3153813, 9461439, 28384317]

約数ペア:

[(1, 28384317), (3, 9461439), (9, 3153813), (13, 2183409), (27, 1051271), (39, 727803), (117, 242601), (193, 147069), (351, 80867), (419, 67743), (579, 49023), (1257, 22581), (1737, 16341), (2509, 11313), (3771, 7527), (5211, 5447)]