27916399

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1249}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 33280000

約数和(自身を除く): 5363601

約数列:

[1, 7, 31, 103, 217, 721, 1249, 3193, 8743, 22351, 38719, 128647, 271033, 900529, 3988057, 27916399]

約数ペア:

[(1, 27916399), (7, 3988057), (31, 900529), (103, 271033), (217, 128647), (721, 38719), (1249, 22351), (3193, 8743)]