1989699

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 16

約数和(自身を含む): 2839680

約数和(自身を除く): 849981

約数列:

[1, 3, 19, 57, 67, 201, 521, 1273, 1563, 3819, 9899, 29697, 34907, 104721, 663233, 1989699]

約数ペア:

[(1, 1989699), (3, 663233), (19, 104721), (57, 34907), (67, 29697), (201, 9899), (521, 3819), (1273, 1563)]