81667621

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{7333}}^1$

素因数の和:7420

約数の個数: 16

約数和(自身を含む): 98099584

約数和(自身を除く): 16431963

約数列:

[1, 7, 37, 43, 259, 301, 1591, 7333, 11137, 51331, 271321, 315319, 1899247, 2207233, 11666803, 81667621]

約数ペア:

[(1, 81667621), (7, 11666803), (37, 2207233), (43, 1899247), (259, 315319), (301, 271321), (1591, 51331), (7333, 11137)]