165760221

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1\times {\mathrm{269}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 246343680

約数和(自身を除く): 80583459

約数列:

[1, 3, 11, 33, 71, 213, 263, 269, 781, 789, 807, 2343, 2893, 2959, 8679, 8877, 18673, 19099, 56019, 57297, 70747, 205403, 210089, 212241, 616209, 630267, 778217, 2334651, 5023037, 15069111, 55253407, 165760221]

約数ペア:

[(1, 165760221), (3, 55253407), (11, 15069111), (33, 5023037), (71, 2334651), (213, 778217), (263, 630267), (269, 616209), (781, 212241), (789, 210089), (807, 205403), (2343, 70747), (2893, 57297), (2959, 56019), (8679, 19099), (8877, 18673)]