28128531

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{9311}}^1$

素因数の和:9386

約数の個数: 16

約数和(自身を含む): 40227840

約数和(自身を除く): 12099309

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 9311, 27933, 176909, 493483, 530727, 1480449, 9376177, 28128531]

約数ペア:

[(1, 28128531), (3, 9376177), (19, 1480449), (53, 530727), (57, 493483), (159, 176909), (1007, 27933), (3021, 9311)]