1641303

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{881}}^1$

素因数の和:916

約数の個数: 20

約数和(自身を含む): 2561328

約数和(自身を除く): 920025

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 881, 1863, 2643, 7929, 20263, 23787, 60789, 71361, 182367, 547101, 1641303]

約数ペア:

[(1, 1641303), (3, 547101), (9, 182367), (23, 71361), (27, 60789), (69, 23787), (81, 20263), (207, 7929), (621, 2643), (881, 1863)]