2137989

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1740

約数の個数: 16

約数和(自身を含む): 3313280

約数和(自身を除く): 1175291

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 1669, 5007, 11683, 35049, 101809, 305427, 712663, 2137989]

約数ペア:

[(1, 2137989), (3, 712663), (7, 305427), (21, 101809), (61, 35049), (183, 11683), (427, 5007), (1281, 1669)]