2180003

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 2699520

約数和(自身を除く): 519517

約数列:

[1, 7, 19, 37, 133, 259, 443, 703, 3101, 4921, 8417, 16391, 58919, 114737, 311429, 2180003]

約数ペア:

[(1, 2180003), (7, 311429), (19, 114737), (37, 58919), (133, 16391), (259, 8417), (443, 4921), (703, 3101)]