86970639

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{13759}}^1$

素因数の和:13819

約数の個数: 24

約数和(自身を含む): 138040320

約数和(自身を除く): 51069681

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 13759, 41277, 96313, 288939, 591637, 674191, 1774911, 2022573, 4141459, 12424377, 28990213, 86970639]

約数ペア:

[(1, 86970639), (3, 28990213), (7, 12424377), (21, 4141459), (43, 2022573), (49, 1774911), (129, 674191), (147, 591637), (301, 288939), (903, 96313), (2107, 41277), (6321, 13759)]