13512191

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 36

約数和(自身を含む): 18012456

約数和(自身を除く): 4500265

約数列:

[1, 7, 11, 43, 49, 53, 77, 121, 301, 371, 473, 539, 583, 847, 2107, 2279, 2597, 3311, 4081, 5203, 5929, 6413, 15953, 23177, 25069, 28567, 36421, 44891, 111671, 175483, 254947, 275759, 314237, 1228381, 1930313, 13512191]

約数ペア:

[(1, 13512191), (7, 1930313), (11, 1228381), (43, 314237), (49, 275759), (53, 254947), (77, 175483), (121, 111671), (301, 44891), (371, 36421), (473, 28567), (539, 25069), (583, 23177), (847, 15953), (2107, 6413), (2279, 5929), (2597, 5203), (3311, 4081)]