80491605

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1289}}^1$

素因数の和:1501

約数の個数: 32

約数和(自身を含む): 135233280

約数和(自身を除く): 54741675

約数列:

[1, 3, 5, 15, 23, 69, 115, 181, 345, 543, 905, 1289, 2715, 3867, 4163, 6445, 12489, 19335, 20815, 29647, 62445, 88941, 148235, 233309, 444705, 699927, 1166545, 3499635, 5366107, 16098321, 26830535, 80491605]

約数ペア:

[(1, 80491605), (3, 26830535), (5, 16098321), (15, 5366107), (23, 3499635), (69, 1166545), (115, 699927), (181, 444705), (345, 233309), (543, 148235), (905, 88941), (1289, 62445), (2715, 29647), (3867, 20815), (4163, 19335), (6445, 12489)]