8256507

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20693}}^1$

素因数の和:20722

約数の個数: 16

約数和(自身を含む): 13244160

約数和(自身を除く): 4987653

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 20693, 62079, 144851, 393167, 434553, 1179501, 2752169, 8256507]

約数ペア:

[(1, 8256507), (3, 2752169), (7, 1179501), (19, 434553), (21, 393167), (57, 144851), (133, 62079), (399, 20693)]