1971261

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 3032640

約数和(自身を除く): 1061379

約数列:

[1, 3, 9, 23, 69, 89, 107, 207, 267, 321, 801, 963, 2047, 2461, 6141, 7383, 9523, 18423, 22149, 28569, 85707, 219029, 657087, 1971261]

約数ペア:

[(1, 1971261), (3, 657087), (9, 219029), (23, 85707), (69, 28569), (89, 22149), (107, 18423), (207, 9523), (267, 7383), (321, 6141), (801, 2461), (963, 2047)]