2173821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 3151680

約数和(自身を除く): 977859

約数列:

[1, 3, 13, 39, 139, 401, 417, 1203, 1807, 5213, 5421, 15639, 55739, 167217, 724607, 2173821]

約数ペア:

[(1, 2173821), (3, 724607), (13, 167217), (39, 55739), (139, 15639), (401, 5421), (417, 5213), (1203, 1807)]