28177389

素因数分解:

$3^4\times {\mathrm{233}}^1\times {\mathrm{1493}}^1$

素因数の和:1738

約数の個数: 20

約数和(自身を含む): 42301116

約数和(自身を除く): 14123727

約数列:

[1, 3, 9, 27, 81, 233, 699, 1493, 2097, 4479, 6291, 13437, 18873, 40311, 120933, 347869, 1043607, 3130821, 9392463, 28177389]

約数ペア:

[(1, 28177389), (3, 9392463), (9, 3130821), (27, 1043607), (81, 347869), (233, 120933), (699, 40311), (1493, 18873), (2097, 13437), (4479, 6291)]