128450853

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{29921}}^1$

素因数の和:29986

約数の個数: 20

約数和(自身を含む): 195510348

約数和(自身を除く): 67059495

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 29921, 89763, 269289, 807867, 1585813, 2423601, 4757439, 14272317, 42816951, 128450853]

約数ペア:

[(1, 128450853), (3, 42816951), (9, 14272317), (27, 4757439), (53, 2423601), (81, 1585813), (159, 807867), (477, 269289), (1431, 89763), (4293, 29921)]