545071681

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 691568640

約数和(自身を除く): 146496959

約数列:

[1, 7, 11, 77, 127, 139, 401, 889, 973, 1397, 1529, 2807, 4411, 9779, 10703, 17653, 30877, 50927, 55739, 123571, 194183, 356489, 390173, 560197, 613129, 1359281, 3921379, 4291903, 7078853, 49551971, 77867383, 545071681]

約数ペア:

[(1, 545071681), (7, 77867383), (11, 49551971), (77, 7078853), (127, 4291903), (139, 3921379), (401, 1359281), (889, 613129), (973, 560197), (1397, 390173), (1529, 356489), (2807, 194183), (4411, 123571), (9779, 55739), (10703, 50927), (17653, 30877)]