28003749

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1801}}^1$

素因数の和:1948

約数の個数: 16

約数和(自身を含む): 38404224

約数和(自身を除く): 10400475

約数列:

[1, 3, 71, 73, 213, 219, 1801, 5183, 5403, 15549, 127871, 131473, 383613, 394419, 9334583, 28003749]

約数ペア:

[(1, 28003749), (3, 9334583), (71, 394419), (73, 383613), (213, 131473), (219, 127871), (1801, 15549), (5183, 5403)]