2142543

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:554

約数の個数: 16

約数和(自身を含む): 3106656

約数和(自身を除く): 964113

約数列:

[1, 3, 13, 39, 137, 401, 411, 1203, 1781, 5213, 5343, 15639, 54937, 164811, 714181, 2142543]

約数ペア:

[(1, 2142543), (3, 714181), (13, 164811), (39, 54937), (137, 15639), (401, 5343), (411, 5213), (1203, 1781)]