12691321

素因数分解:

${\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{4157}}^1$

素因数の和:4271

約数の個数: 8

約数和(自身を含む): 13172544

約数和(自身を除く): 481223

約数列:

[1, 43, 71, 3053, 4157, 178751, 295147, 12691321]

約数ペア:

[(1, 12691321), (43, 295147), (71, 178751), (3053, 4157)]