27811231

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3121}}^1$

素因数の和:3214

約数の個数: 16

約数和(自身を含む): 33967360

約数和(自身を除く): 6156129

約数列:

[1, 7, 19, 67, 133, 469, 1273, 3121, 8911, 21847, 59299, 209107, 415093, 1463749, 3973033, 27811231]

約数ペア:

[(1, 27811231), (7, 3973033), (19, 1463749), (67, 415093), (133, 209107), (469, 59299), (1273, 21847), (3121, 8911)]