1551555

素因数分解:

$3^5\times 5^1\times {\mathrm{1277}}^1$

素因数の和:1297

約数の個数: 24

約数和(自身を含む): 2791152

約数和(自身を除く): 1239597

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 1277, 3831, 6385, 11493, 19155, 34479, 57465, 103437, 172395, 310311, 517185, 1551555]

約数ペア:

[(1, 1551555), (3, 517185), (5, 310311), (9, 172395), (15, 103437), (27, 57465), (45, 34479), (81, 19155), (135, 11493), (243, 6385), (405, 3831), (1215, 1277)]