87678689

素因数分解:

$7^3\times {\mathrm{107}}^1\times {\mathrm{2389}}^1$

素因数の和:2517

約数の個数: 16

約数和(自身を含む): 103248000

約数和(自身を除く): 15569311

約数列:

[1, 7, 49, 107, 343, 749, 2389, 5243, 16723, 36701, 117061, 255623, 819427, 1789361, 12525527, 87678689]

約数ペア:

[(1, 87678689), (7, 12525527), (49, 1789361), (107, 819427), (343, 255623), (749, 117061), (2389, 36701), (5243, 16723)]