55156989

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{2039}}^1$

素因数の和:2240

約数の個数: 16

約数和(自身を含む): 75202560

約数和(自身を除く): 20045571

約数列:

[1, 3, 71, 127, 213, 381, 2039, 6117, 9017, 27051, 144769, 258953, 434307, 776859, 18385663, 55156989]

約数ペア:

[(1, 55156989), (3, 18385663), (71, 776859), (127, 434307), (213, 258953), (381, 144769), (2039, 27051), (6117, 9017)]