15551982

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:405

約数の個数: 48

約数和(自身を含む): 35088768

約数和(自身を除く): 19536786

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 142, 213, 258, 283, 387, 426, 566, 639, 774, 849, 1278, 1698, 2547, 3053, 5094, 6106, 9159, 12169, 18318, 20093, 24338, 27477, 36507, 40186, 54954, 60279, 73014, 109521, 120558, 180837, 219042, 361674, 863999, 1727998, 2591997, 5183994, 7775991, 15551982]

約数ペア:

[(1, 15551982), (2, 7775991), (3, 5183994), (6, 2591997), (9, 1727998), (18, 863999), (43, 361674), (71, 219042), (86, 180837), (129, 120558), (142, 109521), (213, 73014), (258, 60279), (283, 54954), (387, 40186), (426, 36507), (566, 27477), (639, 24338), (774, 20093), (849, 18318), (1278, 12169), (1698, 9159), (2547, 6106), (3053, 5094)]