28204431

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{1669}}^1$

素因数の和:1846

約数の個数: 16

約数和(自身を含む): 38797440

約数和(自身を除く): 10593009

約数列:

[1, 3, 43, 129, 131, 393, 1669, 5007, 5633, 16899, 71767, 215301, 218639, 655917, 9401477, 28204431]

約数ペア:

[(1, 28204431), (3, 9401477), (43, 655917), (129, 218639), (131, 215301), (393, 71767), (1669, 16899), (5007, 5633)]