208057923

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{941}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 325555200

約数和(自身を除く): 117497277

約数列:

[1, 3, 9, 19, 27, 57, 171, 431, 513, 941, 1293, 2823, 3879, 8189, 8469, 11637, 17879, 24567, 25407, 53637, 73701, 160911, 221103, 405571, 482733, 1216713, 3650139, 7705849, 10950417, 23117547, 69352641, 208057923]

約数ペア:

[(1, 208057923), (3, 69352641), (9, 23117547), (19, 10950417), (27, 7705849), (57, 3650139), (171, 1216713), (431, 482733), (513, 405571), (941, 221103), (1293, 160911), (2823, 73701), (3879, 53637), (8189, 25407), (8469, 24567), (11637, 17879)]