209539731

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{18251}}^1$

素因数の和:18386

約数の個数: 16

約数和(自身を含む): 289111680

約数和(自身を除く): 79571949

約数列:

[1, 3, 43, 89, 129, 267, 3827, 11481, 18251, 54753, 784793, 1624339, 2354379, 4873017, 69846577, 209539731]

約数ペア:

[(1, 209539731), (3, 69846577), (43, 4873017), (89, 2354379), (129, 1624339), (267, 784793), (3827, 54753), (11481, 18251)]