16207157079

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{417721}}^1$

素因数の和:418212

約数の個数: 20

約数和(自身を含む): 24261293760

約数和(自身を除く): 8054136681

約数列:

[1, 3, 9, 27, 81, 479, 1437, 4311, 12933, 38799, 417721, 1253163, 3759489, 11278467, 33835401, 200088359, 600265077, 1800795231, 5402385693, 16207157079]

約数ペア:

[(1, 16207157079), (3, 5402385693), (9, 1800795231), (27, 600265077), (81, 200088359), (479, 33835401), (1437, 11278467), (4311, 3759489), (12933, 1253163), (38799, 417721)]