249260031

素因数分解:

$3^3\times {\mathrm{19}}^2\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 395020800

約数和(自身を除く): 145760769

約数列:

[1, 3, 9, 19, 27, 57, 107, 171, 239, 321, 361, 513, 717, 963, 1083, 2033, 2151, 2889, 3249, 4541, 6099, 6453, 9747, 13623, 18297, 25573, 38627, 40869, 54891, 76719, 86279, 115881, 122607, 230157, 258837, 347643, 485887, 690471, 776511, 1042929, 1457661, 2329533, 4372983, 9231853, 13118949, 27695559, 83086677, 249260031]

約数ペア:

[(1, 249260031), (3, 83086677), (9, 27695559), (19, 13118949), (27, 9231853), (57, 4372983), (107, 2329533), (171, 1457661), (239, 1042929), (321, 776511), (361, 690471), (513, 485887), (717, 347643), (963, 258837), (1083, 230157), (2033, 122607), (2151, 115881), (2889, 86279), (3249, 76719), (4541, 54891), (6099, 40869), (6453, 38627), (9747, 25573), (13623, 18297)]