400029

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 625152

約数和(自身を除く): 225123

約数列:

[1, 3, 7, 21, 43, 129, 301, 443, 903, 1329, 3101, 9303, 19049, 57147, 133343, 400029]

約数ペア:

[(1, 400029), (3, 133343), (7, 57147), (21, 19049), (43, 9303), (129, 3101), (301, 1329), (443, 903)]