28821771

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1831}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 47485440

約数和(自身を除く): 18663669

約数列:

[1, 3, 9, 11, 27, 33, 53, 99, 159, 297, 477, 583, 1431, 1749, 1831, 5247, 5493, 15741, 16479, 20141, 49437, 60423, 97043, 181269, 291129, 543807, 873387, 1067473, 2620161, 3202419, 9607257, 28821771]

約数ペア:

[(1, 28821771), (3, 9607257), (9, 3202419), (11, 2620161), (27, 1067473), (33, 873387), (53, 543807), (99, 291129), (159, 181269), (297, 97043), (477, 60423), (583, 49437), (1431, 20141), (1749, 16479), (1831, 15741), (5247, 5493)]