207686739

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{16487}}^1$

素因数の和:16539

約数の個数: 32

約数和(自身を含む): 332398080

約数和(自身を除く): 124711341

約数列:

[1, 3, 13, 17, 19, 39, 51, 57, 221, 247, 323, 663, 741, 969, 4199, 12597, 16487, 49461, 214331, 280279, 313253, 642993, 840837, 939759, 3643627, 4072289, 5325301, 10930881, 12216867, 15975903, 69228913, 207686739]

約数ペア:

[(1, 207686739), (3, 69228913), (13, 15975903), (17, 12216867), (19, 10930881), (39, 5325301), (51, 4072289), (57, 3643627), (221, 939759), (247, 840837), (323, 642993), (663, 313253), (741, 280279), (969, 214331), (4199, 49461), (12597, 16487)]