211060215

素因数分解:

$3^3\times 5^1\times {\mathrm{1563409}}^1$

素因数の和:1563423

約数の個数: 16

約数和(自身を含む): 375218400

約数和(自身を除く): 164158185

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1563409, 4690227, 7817045, 14070681, 23451135, 42212043, 70353405, 211060215]

約数ペア:

[(1, 211060215), (3, 70353405), (5, 42212043), (9, 23451135), (15, 14070681), (27, 7817045), (45, 4690227), (135, 1563409)]