339940017

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{461}}^1\times {\mathrm{881}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 521579520

約数和(自身を除く): 181639503

約数列:

[1, 3, 9, 27, 31, 93, 279, 461, 837, 881, 1383, 2643, 4149, 7929, 12447, 14291, 23787, 27311, 42873, 81933, 128619, 245799, 385857, 406141, 737397, 1218423, 3655269, 10965807, 12590371, 37771113, 113313339, 339940017]

約数ペア:

[(1, 339940017), (3, 113313339), (9, 37771113), (27, 12590371), (31, 10965807), (93, 3655269), (279, 1218423), (461, 737397), (837, 406141), (881, 385857), (1383, 245799), (2643, 128619), (4149, 81933), (7929, 42873), (12447, 27311), (14291, 23787)]