127768991

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{13591}}^1$

素因数の和:13694

約数の個数: 16

約数和(自身を含む): 156579840

約数和(自身を除く): 28810849

約数列:

[1, 7, 17, 79, 119, 553, 1343, 9401, 13591, 95137, 231047, 1073689, 1617329, 7515823, 18252713, 127768991]

約数ペア:

[(1, 127768991), (7, 18252713), (17, 7515823), (79, 1617329), (119, 1073689), (553, 231047), (1343, 95137), (9401, 13591)]