209312847

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{3203}}^1$

素因数の和:3399

約数の個数: 24

約数和(自身を含む): 310390704

約数和(自身を除く): 101077857

約数列:

[1, 3, 9, 53, 137, 159, 411, 477, 1233, 3203, 7261, 9609, 21783, 28827, 65349, 169759, 438811, 509277, 1316433, 1527831, 3949299, 23256983, 69770949, 209312847]

約数ペア:

[(1, 209312847), (3, 69770949), (9, 23256983), (53, 3949299), (137, 1527831), (159, 1316433), (411, 509277), (477, 438811), (1233, 169759), (3203, 65349), (7261, 28827), (9609, 21783)]