208789749

素因数分解:

$3^2\times 7^1\times {\mathrm{293}}^1\times {\mathrm{11311}}^1$

素因数の和:11617

約数の個数: 24

約数和(自身を含む): 345875712

約数和(自身を除く): 137085963

約数列:

[1, 3, 7, 9, 21, 63, 293, 879, 2051, 2637, 6153, 11311, 18459, 33933, 79177, 101799, 237531, 712593, 3314123, 9942369, 23198861, 29827107, 69596583, 208789749]

約数ペア:

[(1, 208789749), (3, 69596583), (7, 29827107), (9, 23198861), (21, 9942369), (63, 3314123), (293, 712593), (879, 237531), (2051, 101799), (2637, 79177), (6153, 33933), (11311, 18459)]