2021330871261

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{81109541}}^1$

素因数の和:81109634

約数の個数: 32

約数和(自身を含む): 3270336733440

約数和(自身を除く): 1249005862179

約数列:

[1, 3, 9, 13, 27, 39, 71, 117, 213, 351, 639, 923, 1917, 2769, 8307, 24921, 81109541, 243328623, 729985869, 1054424033, 2189957607, 3163272099, 5758777411, 9489816297, 17276332233, 28469448891, 51828996699, 74864106343, 155486990097, 224592319029, 673776957087, 2021330871261]

約数ペア:

[(1, 2021330871261), (3, 673776957087), (9, 224592319029), (13, 155486990097), (27, 74864106343), (39, 51828996699), (71, 28469448891), (117, 17276332233), (213, 9489816297), (351, 5758777411), (639, 3163272099), (923, 2189957607), (1917, 1054424033), (2769, 729985869), (8307, 243328623), (24921, 81109541)]