2351757807

素因数分解:

$3^4\times 7^1\times {\mathrm{4147721}}^1$

素因数の和:4147740

約数の個数: 20

約数和(自身を含む): 4014994896

約数和(自身を除く): 1663237089

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4147721, 12443163, 29034047, 37329489, 87102141, 111988467, 261306423, 335965401, 783919269, 2351757807]

約数ペア:

[(1, 2351757807), (3, 783919269), (7, 335965401), (9, 261306423), (21, 111988467), (27, 87102141), (63, 37329489), (81, 29034047), (189, 12443163), (567, 4147721)]