281280771

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{11897}}^1$

素因数の和:12011

約数の個数: 24

約数和(自身を含む): 423188064

約数和(自身を除く): 141907293

約数列:

[1, 3, 9, 37, 71, 111, 213, 333, 639, 2627, 7881, 11897, 23643, 35691, 107073, 440189, 844687, 1320567, 2534061, 3961701, 7602183, 31253419, 93760257, 281280771]

約数ペア:

[(1, 281280771), (3, 93760257), (9, 31253419), (37, 7602183), (71, 3961701), (111, 2534061), (213, 1320567), (333, 844687), (639, 440189), (2627, 107073), (7881, 35691), (11897, 23643)]