2131353

素因数分解:

$3^5\times 7^2\times {\mathrm{179}}^1$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 3734640

約数和(自身を除く): 1603287

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 179, 189, 243, 441, 537, 567, 1253, 1323, 1611, 1701, 3759, 3969, 4833, 8771, 11277, 11907, 14499, 26313, 33831, 43497, 78939, 101493, 236817, 304479, 710451, 2131353]

約数ペア:

[(1, 2131353), (3, 710451), (7, 304479), (9, 236817), (21, 101493), (27, 78939), (49, 43497), (63, 33831), (81, 26313), (147, 14499), (179, 11907), (189, 11277), (243, 8771), (441, 4833), (537, 3969), (567, 3759), (1253, 1701), (1323, 1611)]