7531321

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:372

約数の個数: 16

約数和(自身を含む): 8921088

約数和(自身を除く): 1389767

約数列:

[1, 7, 43, 131, 191, 301, 917, 1337, 5633, 8213, 25021, 39431, 57491, 175147, 1075903, 7531321]

約数ペア:

[(1, 7531321), (7, 1075903), (43, 175147), (131, 57491), (191, 39431), (301, 25021), (917, 8213), (1337, 5633)]