207617487

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{81707}}^1$

素因数の和:81739

約数の個数: 24

約数和(自身を含む): 347749248

約数和(自身を除く): 140131761

約数列:

[1, 3, 7, 11, 21, 33, 77, 121, 231, 363, 847, 2541, 81707, 245121, 571949, 898777, 1715847, 2696331, 6291439, 9886547, 18874317, 29659641, 69205829, 207617487]

約数ペア:

[(1, 207617487), (3, 69205829), (7, 29659641), (11, 18874317), (21, 9886547), (33, 6291439), (77, 2696331), (121, 1715847), (231, 898777), (363, 571949), (847, 245121), (2541, 81707)]