2155069

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 16

約数和(自身を含む): 2579200

約数和(自身を除く): 424131

約数列:

[1, 7, 49, 61, 103, 343, 427, 721, 2989, 5047, 6283, 20923, 35329, 43981, 307867, 2155069]

約数ペア:

[(1, 2155069), (7, 307867), (49, 43981), (61, 35329), (103, 20923), (343, 6283), (427, 5047), (721, 2989)]