2805159

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 4448640

約数和(自身を除く): 1643481

約数列:

[1, 3, 7, 21, 31, 93, 139, 217, 417, 651, 961, 973, 2883, 2919, 4309, 6727, 12927, 20181, 30163, 90489, 133579, 400737, 935053, 2805159]

約数ペア:

[(1, 2805159), (3, 935053), (7, 400737), (21, 133579), (31, 90489), (93, 30163), (139, 20181), (217, 12927), (417, 6727), (651, 4309), (961, 2919), (973, 2883)]