1247043

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1434

約数の個数: 16

約数和(自身を含む): 1945856

約数和(自身を除く): 698813

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1381, 4143, 9667, 29001, 59383, 178149, 415681, 1247043]

約数ペア:

[(1, 1247043), (3, 415681), (7, 178149), (21, 59383), (43, 29001), (129, 9667), (301, 4143), (903, 1381)]