12975809

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3919}}^1$

素因数の和:3980

約数の個数: 16

約数和(自身を含む): 16558080

約数和(自身を除く): 3582271

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 3919, 27433, 43109, 168517, 301763, 1179619, 1853687, 12975809]

約数ペア:

[(1, 12975809), (7, 1853687), (11, 1179619), (43, 301763), (77, 168517), (301, 43109), (473, 27433), (3311, 3919)]