2189667

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 3024000

約数和(自身を除く): 834333

約数列:

[1, 3, 59, 89, 139, 177, 267, 417, 5251, 8201, 12371, 15753, 24603, 37113, 729889, 2189667]

約数ペア:

[(1, 2189667), (3, 729889), (59, 37113), (89, 24603), (139, 15753), (177, 12371), (267, 8201), (417, 5251)]