12630261

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 20072448

約数和(自身を除く): 7442187

約数列:

[1, 3, 7, 21, 43, 71, 129, 197, 213, 301, 497, 591, 903, 1379, 1491, 3053, 4137, 8471, 9159, 13987, 21371, 25413, 41961, 59297, 64113, 97909, 177891, 293727, 601441, 1804323, 4210087, 12630261]

約数ペア:

[(1, 12630261), (3, 4210087), (7, 1804323), (21, 601441), (43, 293727), (71, 177891), (129, 97909), (197, 64113), (213, 59297), (301, 41961), (497, 25413), (591, 21371), (903, 13987), (1379, 9159), (1491, 8471), (3053, 4137)]