129289321

素因数分解:

$7^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{1493}}^1$

素因数の和:1728

約数の個数: 16

約数和(自身を含む): 150595200

約数和(自身を除く): 21305879

約数列:

[1, 7, 89, 139, 623, 973, 1493, 10451, 12371, 86597, 132877, 207527, 930139, 1452689, 18469903, 129289321]

約数ペア:

[(1, 129289321), (7, 18469903), (89, 1452689), (139, 930139), (623, 207527), (973, 132877), (1493, 86597), (10451, 12371)]