2581131

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6469}}^1$

素因数の和:6498

約数の個数: 16

約数和(自身を含む): 4140800

約数和(自身を除く): 1559669

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 6469, 19407, 45283, 122911, 135849, 368733, 860377, 2581131]

約数ペア:

[(1, 2581131), (3, 860377), (7, 368733), (19, 135849), (21, 122911), (57, 45283), (133, 19407), (399, 6469)]