1680232785

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{207821}}^1$

素因数の和:207854

約数の個数: 48

約数和(自身を含む): 3411605952

約数和(自身を除く): 1731373167

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 49, 55, 77, 105, 147, 165, 231, 245, 385, 539, 735, 1155, 1617, 2695, 8085, 207821, 623463, 1039105, 1454747, 2286031, 3117315, 4364241, 6858093, 7273735, 10183229, 11430155, 16002217, 21821205, 30549687, 34290465, 48006651, 50916145, 80011085, 112015519, 152748435, 240033255, 336046557, 560077595, 1680232785]

約数ペア:

[(1, 1680232785), (3, 560077595), (5, 336046557), (7, 240033255), (11, 152748435), (15, 112015519), (21, 80011085), (33, 50916145), (35, 48006651), (49, 34290465), (55, 30549687), (77, 21821205), (105, 16002217), (147, 11430155), (165, 10183229), (231, 7273735), (245, 6858093), (385, 4364241), (539, 3117315), (735, 2286031), (1155, 1454747), (1617, 1039105), (2695, 623463), (8085, 207821)]