81576891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19163}}^1$

素因数の和:19223

約数の個数: 24

約数和(自身を含む): 131541696

約数和(自身を除く): 49964805

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 19163, 57489, 172467, 210793, 632379, 824009, 1897137, 2472027, 7416081, 9064099, 27192297, 81576891]

約数ペア:

[(1, 81576891), (3, 27192297), (9, 9064099), (11, 7416081), (33, 2472027), (43, 1897137), (99, 824009), (129, 632379), (387, 210793), (473, 172467), (1419, 57489), (4257, 19163)]