131990521

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 150153696

約数和(自身を除く): 18163175

約数列:

[1, 13, 41, 43, 169, 443, 533, 559, 1763, 5759, 6929, 7267, 18163, 19049, 22919, 74867, 236119, 247637, 297947, 781009, 3069547, 3219281, 10153117, 131990521]

約数ペア:

[(1, 131990521), (13, 10153117), (41, 3219281), (43, 3069547), (169, 781009), (443, 297947), (533, 247637), (559, 236119), (1763, 74867), (5759, 22919), (6929, 19049), (7267, 18163)]