7787853

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1$

素因数の和:111

約数の個数: 48

約数和(自身を含む): 13167360

約数和(自身を除く): 5379507

約数列:

[1, 3, 9, 17, 19, 27, 47, 51, 57, 141, 153, 171, 323, 361, 423, 459, 513, 799, 893, 969, 1083, 1269, 2397, 2679, 2907, 3249, 6137, 7191, 8037, 8721, 9747, 15181, 16967, 18411, 21573, 24111, 45543, 50901, 55233, 136629, 152703, 165699, 288439, 409887, 458109, 865317, 2595951, 7787853]

約数ペア:

[(1, 7787853), (3, 2595951), (9, 865317), (17, 458109), (19, 409887), (27, 288439), (47, 165699), (51, 152703), (57, 136629), (141, 55233), (153, 50901), (171, 45543), (323, 24111), (361, 21573), (423, 18411), (459, 16967), (513, 15181), (799, 9747), (893, 8721), (969, 8037), (1083, 7191), (1269, 6137), (2397, 3249), (2679, 2907)]