2181570489

素因数分解:

$3^4\times 7^1\times {\mathrm{59}}^1\times {\mathrm{65213}}^1$

素因数の和:65291

約数の個数: 40

約数和(自身を含む): 3787629120

約数和(自身を除く): 1606058631

約数列:

[1, 3, 7, 9, 21, 27, 59, 63, 81, 177, 189, 413, 531, 567, 1239, 1593, 3717, 4779, 11151, 33453, 65213, 195639, 456491, 586917, 1369473, 1760751, 3847567, 4108419, 5282253, 11542701, 12325257, 26932969, 34628103, 36975771, 80798907, 103884309, 242396721, 311652927, 727190163, 2181570489]

約数ペア:

[(1, 2181570489), (3, 727190163), (7, 311652927), (9, 242396721), (21, 103884309), (27, 80798907), (59, 36975771), (63, 34628103), (81, 26932969), (177, 12325257), (189, 11542701), (413, 5282253), (531, 4108419), (567, 3847567), (1239, 1760751), (1593, 1369473), (3717, 586917), (4779, 456491), (11151, 195639), (33453, 65213)]