214137721

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{6907}}^1$

素因数の和:7060

約数の個数: 16

約数和(自身を含む): 252888064

約数和(自身を除く): 38750343

約数列:

[1, 7, 43, 103, 301, 721, 4429, 6907, 31003, 48349, 297001, 711421, 2079007, 4979947, 30591103, 214137721]

約数ペア:

[(1, 214137721), (7, 30591103), (43, 4979947), (103, 2079007), (301, 711421), (721, 297001), (4429, 48349), (6907, 31003)]