8340237

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{937}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 12876864

約数和(自身を除く): 4536627

約数列:

[1, 3, 9, 23, 43, 69, 129, 207, 387, 937, 989, 2811, 2967, 8433, 8901, 21551, 40291, 64653, 120873, 193959, 362619, 926693, 2780079, 8340237]

約数ペア:

[(1, 8340237), (3, 2780079), (9, 926693), (23, 362619), (43, 193959), (69, 120873), (129, 64653), (207, 40291), (387, 21551), (937, 8901), (989, 8433), (2811, 2967)]