2191839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1307}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 3222912

約数和(自身を除く): 1031073

約数列:

[1, 3, 13, 39, 43, 129, 559, 1307, 1677, 3921, 16991, 50973, 56201, 168603, 730613, 2191839]

約数ペア:

[(1, 2191839), (3, 730613), (13, 168603), (39, 56201), (43, 50973), (129, 16991), (559, 3921), (1307, 1677)]