51818139

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:827

約数の個数: 24

約数和(自身を含む): 77034672

約数和(自身を除く): 25216533

約数列:

[1, 3, 9, 43, 129, 257, 387, 521, 771, 1563, 2313, 4689, 11051, 22403, 33153, 67209, 99459, 133897, 201627, 401691, 1205073, 5757571, 17272713, 51818139]

約数ペア:

[(1, 51818139), (3, 17272713), (9, 5757571), (43, 1205073), (129, 401691), (257, 201627), (387, 133897), (521, 99459), (771, 67209), (1563, 33153), (2313, 22403), (4689, 11051)]