80008509

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1\times {\mathrm{353}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 125604864

約数和(自身を除く): 45596355

約数列:

[1, 3, 7, 21, 43, 129, 251, 301, 353, 753, 903, 1059, 1757, 2471, 5271, 7413, 10793, 15179, 32379, 45537, 75551, 88603, 106253, 226653, 265809, 318759, 620221, 1860663, 3809929, 11429787, 26669503, 80008509]

約数ペア:

[(1, 80008509), (3, 26669503), (7, 11429787), (21, 3809929), (43, 1860663), (129, 620221), (251, 318759), (301, 265809), (353, 226653), (753, 106253), (903, 88603), (1059, 75551), (1757, 45537), (2471, 32379), (5271, 15179), (7413, 10793)]