128334537

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{42821}}^1$

素因数の和:42870

約数の個数: 20

約数和(自身を含む): 196895556

約数和(自身を除く): 68561019

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 42821, 128463, 385389, 1156167, 1584377, 3468501, 4753131, 14259393, 42778179, 128334537]

約数ペア:

[(1, 128334537), (3, 42778179), (9, 14259393), (27, 4753131), (37, 3468501), (81, 1584377), (111, 1156167), (333, 385389), (999, 128463), (2997, 42821)]