2820069

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 4899840

約数和(自身を除く): 2079771

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 347, 387, 903, 1041, 1161, 2429, 2709, 3123, 7287, 8127, 9369, 14921, 21861, 44763, 65583, 104447, 134289, 313341, 402867, 940023, 2820069]

約数ペア:

[(1, 2820069), (3, 940023), (7, 402867), (9, 313341), (21, 134289), (27, 104447), (43, 65583), (63, 44763), (129, 21861), (189, 14921), (301, 9369), (347, 8127), (387, 7287), (903, 3123), (1041, 2709), (1161, 2429)]