28221453

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{26801}}^1$

素因数の和:26826

約数の個数: 20

約数和(自身を含む): 45402588

約数和(自身を除く): 17181135

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 26801, 80403, 241209, 348413, 723627, 1045239, 2170881, 3135717, 9407151, 28221453]

約数ペア:

[(1, 28221453), (3, 9407151), (9, 3135717), (13, 2170881), (27, 1045239), (39, 723627), (81, 348413), (117, 241209), (351, 80403), (1053, 26801)]