289328949

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{117757}}^1$

素因数の和:117786

約数の個数: 32

約数和(自身を含む): 527555840

約数和(自身を除く): 238226891

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 117757, 353271, 824299, 1059813, 1530841, 2472897, 3179439, 4592523, 7418691, 10715887, 13777569, 22256073, 32147661, 41332707, 96442983, 289328949]

約数ペア:

[(1, 289328949), (3, 96442983), (7, 41332707), (9, 32147661), (13, 22256073), (21, 13777569), (27, 10715887), (39, 7418691), (63, 4592523), (91, 3179439), (117, 2472897), (189, 1530841), (273, 1059813), (351, 824299), (819, 353271), (2457, 117757)]