214778889

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{141209}}^1$

素因数の和:141241

約数の個数: 18

約数和(自身を含む): 335938590

約数和(自身を除く): 121159701

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 141209, 423627, 1270881, 1835717, 5507151, 16521453, 23864321, 71592963, 214778889]

約数ペア:

[(1, 214778889), (3, 71592963), (9, 23864321), (13, 16521453), (39, 5507151), (117, 1835717), (169, 1270881), (507, 423627), (1521, 141209)]