28540029

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{5987}}^1$

素因数の和:6224

約数の個数: 16

約数和(自身を含む): 43688448

約数和(自身を除く): 15148419

約数列:

[1, 3, 7, 21, 227, 681, 1589, 4767, 5987, 17961, 41909, 125727, 1359049, 4077147, 9513343, 28540029]

約数ペア:

[(1, 28540029), (3, 9513343), (7, 4077147), (21, 1359049), (227, 125727), (681, 41909), (1589, 17961), (4767, 5987)]