206775177

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 341311488

約数和(自身を除く): 134536311

約数列:

[1, 3, 7, 21, 31, 41, 61, 93, 123, 127, 183, 217, 287, 381, 427, 651, 861, 889, 1271, 1281, 1891, 2501, 2667, 3813, 3937, 5207, 5673, 7503, 7747, 8897, 11811, 13237, 15621, 17507, 23241, 26691, 27559, 36449, 39711, 52521, 54229, 77531, 82677, 109347, 161417, 162687, 232593, 240157, 317627, 484251, 542717, 720471, 952881, 1129919, 1628151, 1681099, 2223389, 3389757, 5043297, 6670167, 9846437, 29539311, 68925059, 206775177]

約数ペア:

[(1, 206775177), (3, 68925059), (7, 29539311), (21, 9846437), (31, 6670167), (41, 5043297), (61, 3389757), (93, 2223389), (123, 1681099), (127, 1628151), (183, 1129919), (217, 952881), (287, 720471), (381, 542717), (427, 484251), (651, 317627), (861, 240157), (889, 232593), (1271, 162687), (1281, 161417), (1891, 109347), (2501, 82677), (2667, 77531), (3813, 54229), (3937, 52521), (5207, 39711), (5673, 36449), (7503, 27559), (7747, 26691), (8897, 23241), (11811, 17507), (13237, 15621)]