80284545

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2749}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 154440000

約数和(自身を除く): 74155455

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 59, 99, 165, 177, 295, 495, 531, 649, 885, 1947, 2655, 2749, 3245, 5841, 8247, 9735, 13745, 24741, 29205, 30239, 41235, 90717, 123705, 151195, 162191, 272151, 453585, 486573, 810955, 1360755, 1459719, 1784101, 2432865, 5352303, 7298595, 8920505, 16056909, 26761515, 80284545]

約数ペア:

[(1, 80284545), (3, 26761515), (5, 16056909), (9, 8920505), (11, 7298595), (15, 5352303), (33, 2432865), (45, 1784101), (55, 1459719), (59, 1360755), (99, 810955), (165, 486573), (177, 453585), (295, 272151), (495, 162191), (531, 151195), (649, 123705), (885, 90717), (1947, 41235), (2655, 30239), (2749, 29205), (3245, 24741), (5841, 13745), (8247, 9735)]