18789001

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{3169}}^1$

素因数の和:3205

約数の個数: 18

約数和(自身を含む): 24031770

約数和(自身を除く): 5242769

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 3169, 5929, 22183, 34859, 155281, 244013, 383449, 1708091, 2684143, 18789001]

約数ペア:

[(1, 18789001), (7, 2684143), (11, 1708091), (49, 383449), (77, 244013), (121, 155281), (539, 34859), (847, 22183), (3169, 5929)]