2021655861

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{2671}}^1$

素因数の和:2811

約数の個数: 48

約数和(自身を含む): 3215591680

約数和(自身を除く): 1193935819

約数列:

[1, 3, 9, 17, 27, 51, 97, 153, 289, 291, 459, 867, 873, 1649, 2601, 2619, 2671, 4947, 7803, 8013, 14841, 24039, 28033, 44523, 45407, 72117, 84099, 136221, 252297, 259087, 408663, 756891, 771919, 777261, 1225989, 2315757, 2331783, 4404479, 6947271, 6995349, 13213437, 20841813, 39640311, 74876143, 118920933, 224628429, 673885287, 2021655861]

約数ペア:

[(1, 2021655861), (3, 673885287), (9, 224628429), (17, 118920933), (27, 74876143), (51, 39640311), (97, 20841813), (153, 13213437), (289, 6995349), (291, 6947271), (459, 4404479), (867, 2331783), (873, 2315757), (1649, 1225989), (2601, 777261), (2619, 771919), (2671, 756891), (4947, 408663), (7803, 259087), (8013, 252297), (14841, 136221), (24039, 84099), (28033, 72117), (44523, 45407)]