28153413

素因数分解:

$3^4\times {\mathrm{503}}^1\times {\mathrm{691}}^1$

素因数の和:1206

約数の個数: 20

約数和(自身を含む): 42200928

約数和(自身を除く): 14047515

約数列:

[1, 3, 9, 27, 81, 503, 691, 1509, 2073, 4527, 6219, 13581, 18657, 40743, 55971, 347573, 1042719, 3128157, 9384471, 28153413]

約数ペア:

[(1, 28153413), (3, 9384471), (9, 3128157), (27, 1042719), (81, 347573), (503, 55971), (691, 40743), (1509, 18657), (2073, 13581), (4527, 6219)]