28788741

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 42531840

約数和(自身を除く): 13743099

約数列:

[1, 3, 9, 89, 127, 267, 283, 381, 801, 849, 1143, 2547, 11303, 25187, 33909, 35941, 75561, 101727, 107823, 226683, 323469, 3198749, 9596247, 28788741]

約数ペア:

[(1, 28788741), (3, 9596247), (9, 3198749), (89, 323469), (127, 226683), (267, 107823), (283, 101727), (381, 75561), (801, 35941), (849, 33909), (1143, 25187), (2547, 11303)]