128427615

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{26183}}^1$

素因数の和:26303

約数の個数: 24

約数和(自身を含む): 224658720

約数和(自身を除く): 96231105

約数列:

[1, 3, 5, 9, 15, 45, 109, 327, 545, 981, 1635, 4905, 26183, 78549, 130915, 235647, 392745, 1178235, 2853947, 8561841, 14269735, 25685523, 42809205, 128427615]

約数ペア:

[(1, 128427615), (3, 42809205), (5, 25685523), (9, 14269735), (15, 8561841), (45, 2853947), (109, 1178235), (327, 392745), (545, 235647), (981, 130915), (1635, 78549), (4905, 26183)]