28908213

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1907}}^1$

素因数の和:2104

約数の個数: 16

約数和(自身を含む): 40052736

約数和(自身を除く): 11144523

約数列:

[1, 3, 31, 93, 163, 489, 1907, 5053, 5721, 15159, 59117, 177351, 310841, 932523, 9636071, 28908213]

約数ペア:

[(1, 28908213), (3, 9636071), (31, 932523), (93, 310841), (163, 177351), (489, 59117), (1907, 15159), (5053, 5721)]