81478089

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{39191}}^1$

素因数の和:39218

約数の個数: 32

約数和(自身を含む): 150497280

約数和(自身を除く): 69019191

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 39191, 117573, 274337, 352719, 431101, 823011, 1058157, 1293303, 2469033, 3017707, 3879909, 7407099, 9053121, 11639727, 27159363, 81478089]

約数ペア:

[(1, 81478089), (3, 27159363), (7, 11639727), (9, 9053121), (11, 7407099), (21, 3879909), (27, 3017707), (33, 2469033), (63, 1293303), (77, 1058157), (99, 823011), (189, 431101), (231, 352719), (297, 274337), (693, 117573), (2079, 39191)]