11997909

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:255

約数の個数: 64

約数和(自身を含む): 23040000

約数和(自身を除く): 11042091

約数列:

[1, 3, 7, 9, 11, 21, 27, 29, 33, 63, 77, 87, 99, 189, 199, 203, 231, 261, 297, 319, 597, 609, 693, 783, 957, 1393, 1791, 1827, 2079, 2189, 2233, 2871, 4179, 5373, 5481, 5771, 6567, 6699, 8613, 12537, 15323, 17313, 19701, 20097, 37611, 40397, 45969, 51939, 59103, 60291, 63481, 121191, 137907, 155817, 190443, 363573, 413721, 444367, 571329, 1090719, 1333101, 1713987, 3999303, 11997909]

約数ペア:

[(1, 11997909), (3, 3999303), (7, 1713987), (9, 1333101), (11, 1090719), (21, 571329), (27, 444367), (29, 413721), (33, 363573), (63, 190443), (77, 155817), (87, 137907), (99, 121191), (189, 63481), (199, 60291), (203, 59103), (231, 51939), (261, 45969), (297, 40397), (319, 37611), (597, 20097), (609, 19701), (693, 17313), (783, 15323), (957, 12537), (1393, 8613), (1791, 6699), (1827, 6567), (2079, 5771), (2189, 5481), (2233, 5373), (2871, 4179)]