81833171

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 103488000

約数和(自身を除く): 21654829

約数列:

[1, 7, 19, 41, 43, 133, 287, 301, 349, 779, 817, 1763, 2443, 5453, 5719, 6631, 12341, 14309, 15007, 33497, 46417, 100163, 105049, 234479, 271871, 285133, 615287, 1903097, 1995931, 4307009, 11690453, 81833171]

約数ペア:

[(1, 81833171), (7, 11690453), (19, 4307009), (41, 1995931), (43, 1903097), (133, 615287), (287, 285133), (301, 271871), (349, 234479), (779, 105049), (817, 100163), (1763, 46417), (2443, 33497), (5453, 15007), (5719, 14309), (6631, 12341)]