28725189

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{18169}}^1$

素因数の和:18220

約数の個数: 16

約数和(自身を含む): 41863680

約数和(自身を除く): 13138491

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 18169, 54507, 308873, 563239, 926619, 1689717, 9575063, 28725189]

約数ペア:

[(1, 28725189), (3, 9575063), (17, 1689717), (31, 926619), (51, 563239), (93, 308873), (527, 54507), (1581, 18169)]