20121207491

素因数分解:

$7^1\times {\mathrm{11}}^3\times {\mathrm{79}}^1\times {\mathrm{27337}}^1$

素因数の和:27456

約数の個数: 32

約数和(自身を含む): 25614612480

約数和(自身を除く): 5493404989

約数列:

[1, 7, 11, 77, 79, 121, 553, 847, 869, 1331, 6083, 9317, 9559, 27337, 66913, 105149, 191359, 300707, 736043, 2104949, 2159623, 3307777, 15117361, 23154439, 23755853, 36385547, 166290971, 254698829, 261314383, 1829200681, 2874458213, 20121207491]

約数ペア:

[(1, 20121207491), (7, 2874458213), (11, 1829200681), (77, 261314383), (79, 254698829), (121, 166290971), (553, 36385547), (847, 23755853), (869, 23154439), (1331, 15117361), (6083, 3307777), (9317, 2159623), (9559, 2104949), (27337, 736043), (66913, 300707), (105149, 191359)]