2728479

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1627}}^1$

素因数の和:1686

約数の個数: 16

約数和(自身を含む): 4011392

約数和(自身を除く): 1282913

約数列:

[1, 3, 13, 39, 43, 129, 559, 1627, 1677, 4881, 21151, 63453, 69961, 209883, 909493, 2728479]

約数ペア:

[(1, 2728479), (3, 909493), (13, 209883), (39, 69961), (43, 63453), (129, 21151), (559, 4881), (1627, 1677)]