2678445

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{773}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 5795712

約数和(自身を除く): 3117267

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 165, 231, 315, 385, 495, 693, 773, 1155, 2319, 3465, 3865, 5411, 6957, 8503, 11595, 16233, 25509, 27055, 34785, 42515, 48699, 59521, 76527, 81165, 127545, 178563, 243495, 297605, 382635, 535689, 892815, 2678445]

約数ペア:

[(1, 2678445), (3, 892815), (5, 535689), (7, 382635), (9, 297605), (11, 243495), (15, 178563), (21, 127545), (33, 81165), (35, 76527), (45, 59521), (55, 48699), (63, 42515), (77, 34785), (99, 27055), (105, 25509), (165, 16233), (231, 11595), (315, 8503), (385, 6957), (495, 5411), (693, 3865), (773, 3465), (1155, 2319)]