7239981

素因数分解:

$3^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{1123}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 11078144

約数和(自身を除く): 3838163

約数列:

[1, 3, 7, 21, 307, 921, 1123, 2149, 3369, 6447, 7861, 23583, 344761, 1034283, 2413327, 7239981]

約数ペア:

[(1, 7239981), (3, 2413327), (7, 1034283), (21, 344761), (307, 23583), (921, 7861), (1123, 6447), (2149, 3369)]