2639721

素因数分解:

$3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{373}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 4045184

約数和(自身を除く): 1405463

約数列:

[1, 3, 7, 21, 337, 373, 1011, 1119, 2359, 2611, 7077, 7833, 125701, 377103, 879907, 2639721]

約数ペア:

[(1, 2639721), (3, 879907), (7, 377103), (21, 125701), (337, 7833), (373, 7077), (1011, 2611), (1119, 2359)]