28620489

素因数分解:

$3^1\times {\mathrm{179}}^1\times {\mathrm{223}}^1\times {\mathrm{239}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 38707200

約数和(自身を除く): 10086711

約数列:

[1, 3, 179, 223, 239, 537, 669, 717, 39917, 42781, 53297, 119751, 128343, 159891, 9540163, 28620489]

約数ペア:

[(1, 28620489), (3, 9540163), (179, 159891), (223, 128343), (239, 119751), (537, 53297), (669, 42781), (717, 39917)]