208652319

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{709}}^1\times {\mathrm{1721}}^1$

素因数の和:2455

約数の個数: 24

約数和(自身を含む): 317881200

約数和(自身を除く): 109228881

約数列:

[1, 3, 9, 19, 57, 171, 709, 1721, 2127, 5163, 6381, 13471, 15489, 32699, 40413, 98097, 121239, 294291, 1220189, 3660567, 10981701, 23183591, 69550773, 208652319]

約数ペア:

[(1, 208652319), (3, 69550773), (9, 23183591), (19, 10981701), (57, 3660567), (171, 1220189), (709, 294291), (1721, 121239), (2127, 98097), (5163, 40413), (6381, 32699), (13471, 15489)]