128439237

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{3181}}^1$

素因数の和:3540

約数の個数: 16

約数和(自身を含む): 175850048

約数和(自身を除く): 47410811

約数列:

[1, 3, 43, 129, 313, 939, 3181, 9543, 13459, 40377, 136783, 410349, 995653, 2986959, 42813079, 128439237]

約数ペア:

[(1, 128439237), (3, 42813079), (43, 2986959), (129, 995653), (313, 410349), (939, 136783), (3181, 40377), (9543, 13459)]