81361203

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8191}}^1$

素因数の和:8255

約数の個数: 32

約数和(自身を含む): 138412032

約数和(自身を除く): 57050829

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 3311, 8191, 9933, 24573, 57337, 90101, 172011, 270303, 352213, 630707, 1056639, 1892121, 2465491, 3874343, 7396473, 11623029, 27120401, 81361203]

約数ペア:

[(1, 81361203), (3, 27120401), (7, 11623029), (11, 7396473), (21, 3874343), (33, 2465491), (43, 1892121), (77, 1056639), (129, 630707), (231, 352213), (301, 270303), (473, 172011), (903, 90101), (1419, 57337), (3311, 24573), (8191, 9933)]