2181021

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:532

約数の個数: 16

約数和(自身を含む): 3083136

約数和(自身を除く): 902115

約数列:

[1, 3, 23, 69, 73, 219, 433, 1299, 1679, 5037, 9959, 29877, 31609, 94827, 727007, 2181021]

約数ペア:

[(1, 2181021), (3, 727007), (23, 94827), (69, 31609), (73, 29877), (219, 9959), (433, 5037), (1299, 1679)]