87123393

素因数分解:

$3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9949}}^1$

素因数の和:10101

約数の個数: 24

約数和(自身を含む): 144872000

約数和(自身を除く): 57748607

約数列:

[1, 3, 7, 9, 21, 63, 139, 417, 973, 1251, 2919, 8757, 9949, 29847, 69643, 89541, 208929, 626787, 1382911, 4148733, 9680377, 12446199, 29041131, 87123393]

約数ペア:

[(1, 87123393), (3, 29041131), (7, 12446199), (9, 9680377), (21, 4148733), (63, 1382911), (139, 626787), (417, 208929), (973, 89541), (1251, 69643), (2919, 29847), (8757, 9949)]