27767987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{389}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 33524400

約数和(自身を除く): 5756413

約数列:

[1, 13, 17, 19, 221, 247, 289, 323, 389, 3757, 4199, 5057, 5491, 6613, 7391, 71383, 85969, 96083, 112421, 125647, 1461473, 1633411, 2135999, 27767987]

約数ペア:

[(1, 27767987), (13, 2135999), (17, 1633411), (19, 1461473), (221, 125647), (247, 112421), (289, 96083), (323, 85969), (389, 71383), (3757, 7391), (4199, 6613), (5057, 5491)]