28503489

素因数分解:

$3^1\times 7^1\times {\mathrm{727}}^1\times {\mathrm{1867}}^1$

素因数の和:2604

約数の個数: 16

約数和(自身を含む): 43516928

約数和(自身を除く): 15013439

約数列:

[1, 3, 7, 21, 727, 1867, 2181, 5089, 5601, 13069, 15267, 39207, 1357309, 4071927, 9501163, 28503489]

約数ペア:

[(1, 28503489), (3, 9501163), (7, 4071927), (21, 1357309), (727, 39207), (1867, 15267), (2181, 13069), (5089, 5601)]