257112873

素因数分解:

$3^4\times {\mathrm{653}}^1\times {\mathrm{4861}}^1$

素因数の和:5526

約数の個数: 20

約数和(自身を含む): 384749508

約数和(自身を除く): 127636635

約数列:

[1, 3, 9, 27, 81, 653, 1959, 4861, 5877, 14583, 17631, 43749, 52893, 131247, 393741, 3174233, 9522699, 28568097, 85704291, 257112873]

約数ペア:

[(1, 257112873), (3, 85704291), (9, 28568097), (27, 9522699), (81, 3174233), (653, 393741), (1959, 131247), (4861, 52893), (5877, 43749), (14583, 17631)]