128208087

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20149}}^1$

素因数の和:20263

約数の個数: 24

約数和(自身を含む): 213751200

約数和(自身を除く): 85543113

約数列:

[1, 3, 7, 9, 21, 63, 101, 303, 707, 909, 2121, 6363, 20149, 60447, 141043, 181341, 423129, 1269387, 2035049, 6105147, 14245343, 18315441, 42736029, 128208087]

約数ペア:

[(1, 128208087), (3, 42736029), (7, 18315441), (9, 14245343), (21, 6105147), (63, 2035049), (101, 1269387), (303, 423129), (707, 181341), (909, 141043), (2121, 60447), (6363, 20149)]