28472493

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31531}}^1$

素因数の和:31584

約数の個数: 16

約数和(自身を含む): 44397056

約数和(自身を除く): 15924563

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31531, 94593, 220717, 662151, 1355833, 4067499, 9490831, 28472493]

約数ペア:

[(1, 28472493), (3, 9490831), (7, 4067499), (21, 1355833), (43, 662151), (129, 220717), (301, 94593), (903, 31531)]