26784471

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67129}}^1$

素因数の和:67158

約数の個数: 16

約数和(自身を含む): 42963200

約数和(自身を除く): 16178729

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 67129, 201387, 469903, 1275451, 1409709, 3826353, 8928157, 26784471]

約数ペア:

[(1, 26784471), (3, 8928157), (7, 3826353), (19, 1409709), (21, 1275451), (57, 469903), (133, 201387), (399, 67129)]