2192211

素因数分解:

$3^3\times 7^2\times {\mathrm{1657}}^1$

素因数の和:1680

約数の個数: 24

約数和(自身を含む): 3780240

約数和(自身を除く): 1588029

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 1657, 4971, 11599, 14913, 34797, 44739, 81193, 104391, 243579, 313173, 730737, 2192211]

約数ペア:

[(1, 2192211), (3, 730737), (7, 313173), (9, 243579), (21, 104391), (27, 81193), (49, 44739), (63, 34797), (147, 14913), (189, 11599), (441, 4971), (1323, 1657)]