28722681

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{27277}}^1$

素因数の和:27302

約数の個数: 20

約数和(自身を含む): 46208932

約数和(自身を除く): 17486251

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 27277, 81831, 245493, 354601, 736479, 1063803, 2209437, 3191409, 9574227, 28722681]

約数ペア:

[(1, 28722681), (3, 9574227), (9, 3191409), (13, 2209437), (27, 1063803), (39, 736479), (81, 354601), (117, 245493), (351, 81831), (1053, 27277)]