77631813

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{28657}}^1$

素因数の和:28713

約数の個数: 24

約数和(自身を含む): 131139008

約数和(自身を除く): 53507195

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 28657, 85971, 200599, 257913, 601797, 1232251, 1805391, 3696753, 8625757, 11090259, 25877271, 77631813]

約数ペア:

[(1, 77631813), (3, 25877271), (7, 11090259), (9, 8625757), (21, 3696753), (43, 1805391), (63, 1232251), (129, 601797), (301, 257913), (387, 200599), (903, 85971), (2709, 28657)]