28658235

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{65881}}^1$

素因数の和:65918

約数の個数: 16

約数和(自身を含む): 47435040

約数和(自身を除く): 18776805

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 65881, 197643, 329405, 988215, 1910549, 5731647, 9552745, 28658235]

約数ペア:

[(1, 28658235), (3, 9552745), (5, 5731647), (15, 1910549), (29, 988215), (87, 329405), (145, 197643), (435, 65881)]