18157281

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3331}}^1$

素因数の和:3436

約数の個数: 16

約数和(自身を含む): 25589760

約数和(自身を除く): 7432479

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3331, 5451, 9993, 76613, 229839, 263149, 789447, 6052427, 18157281]

約数ペア:

[(1, 18157281), (3, 6052427), (23, 789447), (69, 263149), (79, 229839), (237, 76613), (1817, 9993), (3331, 5451)]