428458317

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1\times {\mathrm{953}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 664289280

約数和(自身を除く): 235830963

約数列:

[1, 3, 7, 21, 79, 237, 271, 553, 813, 953, 1659, 1897, 2859, 5691, 6671, 20013, 21409, 64227, 75287, 149863, 225861, 258263, 449589, 527009, 774789, 1581027, 1807841, 5423523, 20402777, 61208331, 142819439, 428458317]

約数ペア:

[(1, 428458317), (3, 142819439), (7, 61208331), (21, 20402777), (79, 5423523), (237, 1807841), (271, 1581027), (553, 774789), (813, 527009), (953, 449589), (1659, 258263), (1897, 225861), (2859, 149863), (5691, 75287), (6671, 64227), (20013, 21409)]