2681721

素因数分解:

$3^3\times 7^2\times {\mathrm{2027}}^1$

素因数の和:2050

約数の個数: 24

約数和(自身を含む): 4623840

約数和(自身を除く): 1942119

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 2027, 6081, 14189, 18243, 42567, 54729, 99323, 127701, 297969, 383103, 893907, 2681721]

約数ペア:

[(1, 2681721), (3, 893907), (7, 383103), (9, 297969), (21, 127701), (27, 99323), (49, 54729), (63, 42567), (147, 18243), (189, 14189), (441, 6081), (1323, 2027)]