55321581

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{20743}}^1$

素因数の和:20880

約数の個数: 16

約数和(自身を含む): 84967424

約数和(自身を除く): 29645843

約数列:

[1, 3, 7, 21, 127, 381, 889, 2667, 20743, 62229, 145201, 435603, 2634361, 7903083, 18440527, 55321581]

約数ペア:

[(1, 55321581), (3, 18440527), (7, 7903083), (21, 2634361), (127, 435603), (381, 145201), (889, 62229), (2667, 20743)]