28501881

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{10639}}^1$

素因数の和:10708

約数の個数: 16

約数和(自身を含む): 40857600

約数和(自身を除く): 12355719

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 10639, 31917, 202141, 500033, 606423, 1500099, 9500627, 28501881]

約数ペア:

[(1, 28501881), (3, 9500627), (19, 1500099), (47, 606423), (57, 500033), (141, 202141), (893, 31917), (2679, 10639)]