187419981

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1\times {\mathrm{683}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 291548160

約数和(自身を除く): 104128179

約数列:

[1, 3, 7, 21, 73, 179, 219, 511, 537, 683, 1253, 1533, 2049, 3759, 4781, 13067, 14343, 39201, 49859, 91469, 122257, 149577, 274407, 349013, 366771, 855799, 1047039, 2567397, 8924761, 26774283, 62473327, 187419981]

約数ペア:

[(1, 187419981), (3, 62473327), (7, 26774283), (21, 8924761), (73, 2567397), (179, 1047039), (219, 855799), (511, 366771), (537, 349013), (683, 274407), (1253, 149577), (1533, 122257), (2049, 91469), (3759, 49859), (4781, 39201), (13067, 14343)]