12347321

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 16220160

約数和(自身を除く): 3872839

約数列:

[1, 7, 17, 19, 43, 119, 127, 133, 301, 323, 731, 817, 889, 2159, 2261, 2413, 5117, 5461, 5719, 13889, 15113, 16891, 38227, 41021, 92837, 97223, 103759, 287147, 649859, 726313, 1763903, 12347321]

約数ペア:

[(1, 12347321), (7, 1763903), (17, 726313), (19, 649859), (43, 287147), (119, 103759), (127, 97223), (133, 92837), (301, 41021), (323, 38227), (731, 16891), (817, 15113), (889, 13889), (2159, 5719), (2261, 5461), (2413, 5117)]