128522667

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{470779}}^1$

素因数の和:470802

約数の個数: 16

約数和(自身を含む): 210909440

約数和(自身を除く): 82386773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 470779, 1412337, 3295453, 6120127, 9886359, 18360381, 42840889, 128522667]

約数ペア:

[(1, 128522667), (3, 42840889), (7, 18360381), (13, 9886359), (21, 6120127), (39, 3295453), (91, 1412337), (273, 470779)]