81057396

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{964969}}^1$

素因数の和:964983

約数の個数: 24

約数和(自身を含む): 216153280

約数和(自身を除く): 135095884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 964969, 1929938, 2894907, 3859876, 5789814, 6754783, 11579628, 13509566, 20264349, 27019132, 40528698, 81057396]

約数ペア:

[(1, 81057396), (2, 40528698), (3, 27019132), (4, 20264349), (6, 13509566), (7, 11579628), (12, 6754783), (14, 5789814), (21, 3859876), (28, 2894907), (42, 1929938), (84, 964969)]