2720697

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7621}}^1$

素因数の和:7648

約数の個数: 16

約数和(自身を含む): 4390272

約数和(自身を除く): 1669575

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 7621, 22863, 53347, 129557, 160041, 388671, 906899, 2720697]

約数ペア:

[(1, 2720697), (3, 906899), (7, 388671), (17, 160041), (21, 129557), (51, 53347), (119, 22863), (357, 7621)]