85057209

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{19813}}^1$

素因数の和:19878

約数の個数: 20

約数和(自身を含む): 129464676

約数和(自身を除く): 44407467

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 19813, 59439, 178317, 534951, 1050089, 1604853, 3150267, 9450801, 28352403, 85057209]

約数ペア:

[(1, 85057209), (3, 28352403), (9, 9450801), (27, 3150267), (53, 1604853), (81, 1050089), (159, 534951), (477, 178317), (1431, 59439), (4293, 19813)]