2006402805

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{4643}}^1$

素因数の和:4768

約数の個数: 80

約数和(自身を含む): 3964935744

約数和(自身を除く): 1958532939

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 97, 99, 135, 165, 291, 297, 405, 485, 495, 873, 891, 1067, 1455, 1485, 2619, 3201, 4365, 4455, 4643, 5335, 7857, 9603, 13095, 13929, 16005, 23215, 28809, 39285, 41787, 48015, 51073, 69645, 86427, 125361, 144045, 153219, 208935, 255365, 376083, 432135, 450371, 459657, 626805, 766095, 1351113, 1378971, 1880415, 2251855, 2298285, 4053339, 4136913, 4954081, 6755565, 6894855, 12160017, 14862243, 20266695, 20684565, 24770405, 36480051, 44586729, 60800085, 74311215, 133760187, 182400255, 222933645, 401280561, 668800935, 2006402805]

約数ペア:

[(1, 2006402805), (3, 668800935), (5, 401280561), (9, 222933645), (11, 182400255), (15, 133760187), (27, 74311215), (33, 60800085), (45, 44586729), (55, 36480051), (81, 24770405), (97, 20684565), (99, 20266695), (135, 14862243), (165, 12160017), (291, 6894855), (297, 6755565), (405, 4954081), (485, 4136913), (495, 4053339), (873, 2298285), (891, 2251855), (1067, 1880415), (1455, 1378971), (1485, 1351113), (2619, 766095), (3201, 626805), (4365, 459657), (4455, 450371), (4643, 432135), (5335, 376083), (7857, 255365), (9603, 208935), (13095, 153219), (13929, 144045), (16005, 125361), (23215, 86427), (28809, 69645), (39285, 51073), (41787, 48015)]