312137

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:128

約数の個数: 16

約数和(自身を含む): 392832

約数和(自身を除く): 80695

約数列:

[1, 7, 17, 43, 61, 119, 301, 427, 731, 1037, 2623, 5117, 7259, 18361, 44591, 312137]

約数ペア:

[(1, 312137), (7, 44591), (17, 18361), (43, 7259), (61, 5117), (119, 2623), (301, 1037), (427, 731)]