28670679

素因数分解:

$3^4\times {\mathrm{239}}^1\times {\mathrm{1481}}^1$

素因数の和:1732

約数の個数: 20

約数和(自身を含む): 43037280

約数和(自身を除く): 14366601

約数列:

[1, 3, 9, 27, 81, 239, 717, 1481, 2151, 4443, 6453, 13329, 19359, 39987, 119961, 353959, 1061877, 3185631, 9556893, 28670679]

約数ペア:

[(1, 28670679), (3, 9556893), (9, 3185631), (27, 1061877), (81, 353959), (239, 119961), (717, 39987), (1481, 19359), (2151, 13329), (4443, 6453)]