209079021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1499}}^1\times {\mathrm{2447}}^1$

素因数の和:3968

約数の個数: 16

約数和(自身を含む): 293760000

約数和(自身を除く): 84680979

約数列:

[1, 3, 19, 57, 1499, 2447, 4497, 7341, 28481, 46493, 85443, 139479, 3668053, 11004159, 69693007, 209079021]

約数ペア:

[(1, 209079021), (3, 69693007), (19, 11004159), (57, 3668053), (1499, 139479), (2447, 85443), (4497, 46493), (7341, 28481)]