28571319

素因数分解:

$3^3\times 7^1\times {\mathrm{151171}}^1$

素因数の和:151187

約数の個数: 16

約数和(自身を含む): 48375040

約数和(自身を除く): 19803721

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 151171, 453513, 1058197, 1360539, 3174591, 4081617, 9523773, 28571319]

約数ペア:

[(1, 28571319), (3, 9523773), (7, 4081617), (9, 3174591), (21, 1360539), (27, 1058197), (63, 453513), (189, 151171)]