1900856619

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{448421}}^1$

素因数の和:448587

約数の個数: 16

約数和(自身を含む): 2834027040

約数和(自身を除く): 933170421

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 448421, 1345263, 4035789, 12107367, 70402097, 211206291, 633618873, 1900856619]

約数ペア:

[(1, 1900856619), (3, 633618873), (9, 211206291), (27, 70402097), (157, 12107367), (471, 4035789), (1413, 1345263), (4239, 448421)]