28163331

素因数分解:

$3^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1515

約数の個数: 24

約数和(自身を含む): 46648160

約数和(自身を除く): 18484829

約数列:

[1, 3, 7, 9, 21, 63, 409, 1093, 1227, 2863, 3279, 3681, 7651, 8589, 9837, 22953, 25767, 68859, 447037, 1341111, 3129259, 4023333, 9387777, 28163331]

約数ペア:

[(1, 28163331), (3, 9387777), (7, 4023333), (9, 3129259), (21, 1341111), (63, 447037), (409, 68859), (1093, 25767), (1227, 22953), (2863, 9837), (3279, 8589), (3681, 7651)]