291330513

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:788

約数の個数: 48

約数和(自身を含む): 467026560

約数和(自身を除く): 175696047

約数列:

[1, 3, 9, 17, 27, 51, 81, 109, 153, 243, 327, 459, 647, 981, 1377, 1853, 1941, 2943, 4131, 5559, 5823, 8829, 10999, 16677, 17469, 26487, 32997, 50031, 52407, 70523, 98991, 150093, 157221, 211569, 296973, 450279, 634707, 890919, 1198891, 1904121, 2672757, 3596673, 5712363, 10790019, 17137089, 32370057, 97110171, 291330513]

約数ペア:

[(1, 291330513), (3, 97110171), (9, 32370057), (17, 17137089), (27, 10790019), (51, 5712363), (81, 3596673), (109, 2672757), (153, 1904121), (243, 1198891), (327, 890919), (459, 634707), (647, 450279), (981, 296973), (1377, 211569), (1853, 157221), (1941, 150093), (2943, 98991), (4131, 70523), (5559, 52407), (5823, 50031), (8829, 32997), (10999, 26487), (16677, 17469)]