2020977

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1$

素因数の和:87

約数の個数: 48

約数和(自身を含む): 3733120

約数和(自身を除く): 1712143

約数列:

[1, 3, 7, 9, 17, 21, 27, 37, 51, 63, 111, 119, 153, 189, 259, 289, 333, 357, 459, 629, 777, 867, 999, 1071, 1887, 2023, 2331, 2601, 3213, 4403, 5661, 6069, 6993, 7803, 10693, 13209, 16983, 18207, 32079, 39627, 54621, 74851, 96237, 118881, 224553, 288711, 673659, 2020977]

約数ペア:

[(1, 2020977), (3, 673659), (7, 288711), (9, 224553), (17, 118881), (21, 96237), (27, 74851), (37, 54621), (51, 39627), (63, 32079), (111, 18207), (119, 16983), (153, 13209), (189, 10693), (259, 7803), (289, 6993), (333, 6069), (357, 5661), (459, 4403), (629, 3213), (777, 2601), (867, 2331), (999, 2023), (1071, 1887)]