180985887

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{4969}}^1$

素因数の和:5068

約数の個数: 32

約数和(自身を含む): 286272000

約数和(自身を除く): 105286113

約数列:

[1, 3, 9, 19, 27, 57, 71, 171, 213, 513, 639, 1349, 1917, 4047, 4969, 12141, 14907, 36423, 44721, 94411, 134163, 283233, 352799, 849699, 1058397, 2549097, 3175191, 6703181, 9525573, 20109543, 60328629, 180985887]

約数ペア:

[(1, 180985887), (3, 60328629), (9, 20109543), (19, 9525573), (27, 6703181), (57, 3175191), (71, 2549097), (171, 1058397), (213, 849699), (513, 352799), (639, 283233), (1349, 134163), (1917, 94411), (4047, 44721), (4969, 36423), (12141, 14907)]