56478681

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{1979}}^1$

素因数の和:2146

約数の個数: 32

約数和(自身を含む): 96307200

約数和(自身を除く): 39828519

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 1057, 1359, 1979, 3171, 4077, 5937, 9513, 13853, 17811, 28539, 41559, 53433, 124677, 298829, 374031, 896487, 2091803, 2689461, 6275409, 8068383, 18826227, 56478681]

約数ペア:

[(1, 56478681), (3, 18826227), (7, 8068383), (9, 6275409), (21, 2689461), (27, 2091803), (63, 896487), (151, 374031), (189, 298829), (453, 124677), (1057, 53433), (1359, 41559), (1979, 28539), (3171, 17811), (4077, 13853), (5937, 9513)]