2190909

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^2$

素因数の和:82

約数の個数: 36

約数和(自身を含む): 3742944

約数和(自身を除く): 1552035

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 289, 323, 357, 361, 399, 867, 969, 1083, 2023, 2261, 2527, 5491, 6069, 6137, 6783, 7581, 16473, 18411, 38437, 42959, 104329, 115311, 128877, 312987, 730303, 2190909]

約数ペア:

[(1, 2190909), (3, 730303), (7, 312987), (17, 128877), (19, 115311), (21, 104329), (51, 42959), (57, 38437), (119, 18411), (133, 16473), (289, 7581), (323, 6783), (357, 6137), (361, 6069), (399, 5491), (867, 2527), (969, 2261), (1083, 2023)]