181129921

素因数分解:

$7^2\times {\mathrm{107}}^1\times {\mathrm{179}}^1\times {\mathrm{193}}^1$

素因数の和:493

約数の個数: 24

約数和(自身を含む): 214967520

約数和(自身を除く): 33837599

約数列:

[1, 7, 49, 107, 179, 193, 749, 1253, 1351, 5243, 8771, 9457, 19153, 20651, 34547, 134071, 144557, 241829, 938497, 1011899, 1692803, 3696529, 25875703, 181129921]

約数ペア:

[(1, 181129921), (7, 25875703), (49, 3696529), (107, 1692803), (179, 1011899), (193, 938497), (749, 241829), (1253, 144557), (1351, 134071), (5243, 34547), (8771, 20651), (9457, 19153)]