1687449

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:276

約数の個数: 16

約数和(自身を含む): 2342912

約数和(自身を除く): 655463

約数列:

[1, 3, 43, 103, 127, 129, 309, 381, 4429, 5461, 13081, 13287, 16383, 39243, 562483, 1687449]

約数ペア:

[(1, 1687449), (3, 562483), (43, 39243), (103, 16383), (127, 13287), (129, 13081), (309, 5461), (381, 4429)]