2739891

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{409}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 4723200

約数和(自身を除く): 1983309

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 203, 231, 319, 409, 609, 957, 1227, 2233, 2863, 4499, 6699, 8589, 11861, 13497, 31493, 35583, 83027, 94479, 130471, 249081, 391413, 913297, 2739891]

約数ペア:

[(1, 2739891), (3, 913297), (7, 391413), (11, 249081), (21, 130471), (29, 94479), (33, 83027), (77, 35583), (87, 31493), (203, 13497), (231, 11861), (319, 8589), (409, 6699), (609, 4499), (957, 2863), (1227, 2233)]