1855421919

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{140339}}^1$

素因数の和:140471

約数の個数: 24

約数和(自身を含む): 2911774320

約数和(自身を除く): 1056352401

約数列:

[1, 3, 9, 13, 39, 113, 117, 339, 1017, 1469, 4407, 13221, 140339, 421017, 1263051, 1824407, 5473221, 15858307, 16419663, 47574921, 142724763, 206157991, 618473973, 1855421919]

約数ペア:

[(1, 1855421919), (3, 618473973), (9, 206157991), (13, 142724763), (39, 47574921), (113, 16419663), (117, 15858307), (339, 5473221), (1017, 1824407), (1469, 1263051), (4407, 421017), (13221, 140339)]