81420779

素因数分解:

${\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 92951040

約数和(自身を除く): 11530261

約数列:

[1, 11, 47, 103, 121, 139, 517, 1133, 1529, 4841, 5687, 6533, 12463, 14317, 16819, 53251, 71863, 157487, 585761, 672899, 790493, 1732357, 7401889, 81420779]

約数ペア:

[(1, 81420779), (11, 7401889), (47, 1732357), (103, 790493), (121, 672899), (139, 585761), (517, 157487), (1133, 71863), (1529, 53251), (4841, 16819), (5687, 14317), (6533, 12463)]