128439129

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{470473}}^1$

素因数の和:470496

約数の個数: 16

約数和(自身を含む): 210772352

約数和(自身を除く): 82333223

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 470473, 1411419, 3293311, 6116149, 9879933, 18348447, 42813043, 128439129]

約数ペア:

[(1, 128439129), (3, 42813043), (7, 18348447), (13, 9879933), (21, 6116149), (39, 3293311), (91, 1411419), (273, 470473)]