1129545

素因数分解:

$3^4\times 5^1\times {\mathrm{2789}}^1$

素因数の和:2806

約数の個数: 20

約数和(自身を含む): 2025540

約数和(自身を除く): 895995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2789, 8367, 13945, 25101, 41835, 75303, 125505, 225909, 376515, 1129545]

約数ペア:

[(1, 1129545), (3, 376515), (5, 225909), (9, 125505), (15, 75303), (27, 41835), (45, 25101), (81, 13945), (135, 8367), (405, 2789)]