71578017

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{30707}}^1$

素因数の和:30757

約数の個数: 24

約数和(自身を含む): 121358016

約数和(自身を除く): 49779999

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 30707, 92121, 214949, 276363, 644847, 1136159, 1934541, 3408477, 7953113, 10225431, 23859339, 71578017]

約数ペア:

[(1, 71578017), (3, 23859339), (7, 10225431), (9, 7953113), (21, 3408477), (37, 1934541), (63, 1136159), (111, 644847), (259, 276363), (333, 214949), (777, 92121), (2331, 30707)]