18217173

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{883}}^1$

素因数の和:945

約数の個数: 24

約数和(自身を含む): 27375712

約数和(自身を除く): 9158539

約数列:

[1, 3, 13, 23, 39, 69, 299, 529, 883, 897, 1587, 2649, 6877, 11479, 20309, 20631, 34437, 60927, 264017, 467107, 792051, 1401321, 6072391, 18217173]

約数ペア:

[(1, 18217173), (3, 6072391), (13, 1401321), (23, 792051), (39, 467107), (69, 264017), (299, 60927), (529, 34437), (883, 20631), (897, 20309), (1587, 11479), (2649, 6877)]