28952217

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2539}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 48077120

約数和(自身を除く): 19124903

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 2539, 3801, 7617, 11403, 17773, 22851, 53319, 159957, 459559, 1378677, 3216913, 4136031, 9650739, 28952217]

約数ペア:

[(1, 28952217), (3, 9650739), (7, 4136031), (9, 3216913), (21, 1378677), (63, 459559), (181, 159957), (543, 53319), (1267, 22851), (1629, 17773), (2539, 11403), (3801, 7617)]