2759589

素因数分解:

$3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 4894208

約数和(自身を除く): 2134619

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 157, 189, 217, 279, 471, 567, 651, 837, 1099, 1413, 1953, 2511, 3297, 4239, 4867, 5859, 9891, 12717, 14601, 17577, 29673, 34069, 43803, 89019, 102207, 131409, 306621, 394227, 919863, 2759589]

約数ペア:

[(1, 2759589), (3, 919863), (7, 394227), (9, 306621), (21, 131409), (27, 102207), (31, 89019), (63, 43803), (81, 34069), (93, 29673), (157, 17577), (189, 14601), (217, 12717), (279, 9891), (471, 5859), (567, 4867), (651, 4239), (837, 3297), (1099, 2511), (1413, 1953)]