27688689

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3407}}^1$

素因数の和:3466

約数の個数: 32

約数和(自身を含む): 47984640

約数和(自身を除く): 20295951

約数列:

[1, 3, 7, 9, 21, 27, 43, 63, 129, 189, 301, 387, 903, 1161, 2709, 3407, 8127, 10221, 23849, 30663, 71547, 91989, 146501, 214641, 439503, 643923, 1025507, 1318509, 3076521, 3955527, 9229563, 27688689]

約数ペア:

[(1, 27688689), (3, 9229563), (7, 3955527), (9, 3076521), (21, 1318509), (27, 1025507), (43, 643923), (63, 439503), (129, 214641), (189, 146501), (301, 91989), (387, 71547), (903, 30663), (1161, 23849), (2709, 10221), (3407, 8127)]