11747871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 19468800

約数和(自身を除く): 7720929

約数列:

[1, 3, 9, 19, 23, 29, 57, 69, 87, 103, 171, 207, 261, 309, 437, 551, 667, 927, 1311, 1653, 1957, 2001, 2369, 2987, 3933, 4959, 5871, 6003, 7107, 8961, 12673, 17613, 21321, 26883, 38019, 45011, 56753, 68701, 114057, 135033, 170259, 206103, 405099, 510777, 618309, 1305319, 3915957, 11747871]

約数ペア:

[(1, 11747871), (3, 3915957), (9, 1305319), (19, 618309), (23, 510777), (29, 405099), (57, 206103), (69, 170259), (87, 135033), (103, 114057), (171, 68701), (207, 56753), (261, 45011), (309, 38019), (437, 26883), (551, 21321), (667, 17613), (927, 12673), (1311, 8961), (1653, 7107), (1957, 6003), (2001, 5871), (2369, 4959), (2987, 3933)]