128577237

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{31771}}^1$

素因数の和:31864

約数の個数: 16

約数和(自身を含む): 183006720

約数和(自身を除く): 54429483

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 31771, 95313, 603649, 1810947, 2255741, 6767223, 42859079, 128577237]

約数ペア:

[(1, 128577237), (3, 42859079), (19, 6767223), (57, 2255741), (71, 1810947), (213, 603649), (1349, 95313), (4047, 31771)]