16705887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 25403136

約数和(自身を除く): 8697249

約数列:

[1, 3, 11, 33, 43, 61, 129, 183, 193, 473, 579, 671, 1419, 2013, 2123, 2623, 6369, 7869, 8299, 11773, 24897, 28853, 35319, 86559, 91289, 129503, 273867, 388509, 506239, 1518717, 5568629, 16705887]

約数ペア:

[(1, 16705887), (3, 5568629), (11, 1518717), (33, 506239), (43, 388509), (61, 273867), (129, 129503), (183, 91289), (193, 86559), (473, 35319), (579, 28853), (671, 24897), (1419, 11773), (2013, 8299), (2123, 7869), (2623, 6369)]