239971347

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8053}}^1$

素因数の和:8120

約数の個数: 48

約数和(自身を含む): 442261248

約数和(自身を除く): 202289901

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 1419, 2709, 3311, 4257, 8053, 9933, 24159, 29799, 56371, 72477, 88583, 169113, 265749, 346279, 507339, 620081, 797247, 1038837, 1860243, 2423953, 3116511, 3809069, 5580729, 7271859, 11427207, 21815577, 26663483, 34281621, 79990449, 239971347]

約数ペア:

[(1, 239971347), (3, 79990449), (7, 34281621), (9, 26663483), (11, 21815577), (21, 11427207), (33, 7271859), (43, 5580729), (63, 3809069), (77, 3116511), (99, 2423953), (129, 1860243), (231, 1038837), (301, 797247), (387, 620081), (473, 507339), (693, 346279), (903, 265749), (1419, 169113), (2709, 88583), (3311, 72477), (4257, 56371), (8053, 29799), (9933, 24159)]