2689968393

素因数分解:

$3^3\times 7^1\times {\mathrm{2063}}^1\times {\mathrm{6899}}^1$

素因数の和:8978

約数の個数: 32

約数和(自身を含む): 4557312000

約数和(自身を除く): 1867343607

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 2063, 6189, 6899, 14441, 18567, 20697, 43323, 48293, 55701, 62091, 129969, 144879, 186273, 389907, 434637, 1303911, 14232637, 42697911, 99628459, 128093733, 298885377, 384281199, 896656131, 2689968393]

約数ペア:

[(1, 2689968393), (3, 896656131), (7, 384281199), (9, 298885377), (21, 128093733), (27, 99628459), (63, 42697911), (189, 14232637), (2063, 1303911), (6189, 434637), (6899, 389907), (14441, 186273), (18567, 144879), (20697, 129969), (43323, 62091), (48293, 55701)]