28473363

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{2239}}^1$

素因数の和:2408

約数の個数: 20

約数和(自身を含む): 42824320

約数和(自身を除く): 14350957

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 2239, 4239, 6717, 12717, 20151, 60453, 181359, 351523, 1054569, 3163707, 9491121, 28473363]

約数ペア:

[(1, 28473363), (3, 9491121), (9, 3163707), (27, 1054569), (81, 351523), (157, 181359), (471, 60453), (1413, 20151), (2239, 12717), (4239, 6717)]