2154278007

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1799731}}^1$

素因数の和:1799763

約数の個数: 24

約数和(自身を含む): 3743442560

約数和(自身を除く): 1589164553

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 1799731, 5399193, 12598117, 16197579, 34194889, 37794351, 102584667, 113383053, 239364223, 307754001, 718092669, 2154278007]

約数ペア:

[(1, 2154278007), (3, 718092669), (7, 307754001), (9, 239364223), (19, 113383053), (21, 102584667), (57, 37794351), (63, 34194889), (133, 16197579), (171, 12598117), (399, 5399193), (1197, 1799731)]