206800009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{1607}}^1$

素因数の和:2160

約数の個数: 16

約数和(自身を含む): 235025280

約数和(自身を除く): 28225271

約数列:

[1, 13, 19, 247, 521, 1607, 6773, 9899, 20891, 30533, 128687, 396929, 837247, 10884211, 15907693, 206800009]

約数ペア:

[(1, 206800009), (13, 15907693), (19, 10884211), (247, 837247), (521, 396929), (1607, 128687), (6773, 30533), (9899, 20891)]