128529405

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{124183}}^1$

素因数の和:124217

約数の個数: 24

約数和(自身を含む): 232472448

約数和(自身を除く): 103943043

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 124183, 372549, 620915, 1117647, 1862745, 2856209, 5588235, 8568627, 14281045, 25705881, 42843135, 128529405]

約数ペア:

[(1, 128529405), (3, 42843135), (5, 25705881), (9, 14281045), (15, 8568627), (23, 5588235), (45, 2856209), (69, 1862745), (115, 1117647), (207, 620915), (345, 372549), (1035, 124183)]