28262997

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{10433}}^1$

素因数の和:10489

約数の個数: 24

約数和(自身を含む): 47745984

約数和(自身を除く): 19482987

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 10433, 31299, 73031, 93897, 219093, 448619, 657279, 1345857, 3140333, 4037571, 9420999, 28262997]

約数ペア:

[(1, 28262997), (3, 9420999), (7, 4037571), (9, 3140333), (21, 1345857), (43, 657279), (63, 448619), (129, 219093), (301, 93897), (387, 73031), (903, 31299), (2709, 10433)]