18881127

素因数分解:

$3^3\times {\mathrm{569}}^1\times {\mathrm{1229}}^1$

素因数の和:1807

約数の個数: 16

約数和(自身を含む): 28044000

約数和(自身を除く): 9162873

約数列:

[1, 3, 9, 27, 569, 1229, 1707, 3687, 5121, 11061, 15363, 33183, 699301, 2097903, 6293709, 18881127]

約数ペア:

[(1, 18881127), (3, 6293709), (9, 2097903), (27, 699301), (569, 33183), (1229, 15363), (1707, 11061), (3687, 5121)]