71347311

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5471}}^1$

素因数の和:5513

約数の個数: 40

約数和(自身を含む): 127125504

約数和(自身を除く): 55778193

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 4347, 5471, 13041, 16413, 38297, 49239, 114891, 125833, 147717, 344673, 377499, 443151, 880831, 1034019, 1132497, 2642493, 3102057, 3397491, 7927479, 10192473, 23782437, 71347311]

約数ペア:

[(1, 71347311), (3, 23782437), (7, 10192473), (9, 7927479), (21, 3397491), (23, 3102057), (27, 2642493), (63, 1132497), (69, 1034019), (81, 880831), (161, 443151), (189, 377499), (207, 344673), (483, 147717), (567, 125833), (621, 114891), (1449, 49239), (1863, 38297), (4347, 16413), (5471, 13041)]