51980019

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{190403}}^1$

素因数の和:190426

約数の個数: 16

約数和(自身を含む): 85300992

約数和(自身を除く): 33320973

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 190403, 571209, 1332821, 2475239, 3998463, 7425717, 17326673, 51980019]

約数ペア:

[(1, 51980019), (3, 17326673), (7, 7425717), (13, 3998463), (21, 2475239), (39, 1332821), (91, 571209), (273, 190403)]