18556401

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{1259}}^1$

素因数の和:1313

約数の個数: 16

約数和(自身を含む): 26308800

約数和(自身を除く): 7752399

約数列:

[1, 3, 17, 51, 289, 867, 1259, 3777, 4913, 14739, 21403, 64209, 363851, 1091553, 6185467, 18556401]

約数ペア:

[(1, 18556401), (3, 6185467), (17, 1091553), (51, 363851), (289, 64209), (867, 21403), (1259, 14739), (3777, 4913)]