1555173

素因数分解:

$3^3\times {\mathrm{239}}^1\times {\mathrm{241}}^1$

素因数の和:489

約数の個数: 16

約数和(自身を含む): 2323200

約数和(自身を除く): 768027

約数列:

[1, 3, 9, 27, 239, 241, 717, 723, 2151, 2169, 6453, 6507, 57599, 172797, 518391, 1555173]

約数ペア:

[(1, 1555173), (3, 518391), (9, 172797), (27, 57599), (239, 6507), (241, 6453), (717, 2169), (723, 2151)]