13131945

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{15359}}^1$

素因数の和:15389

約数の個数: 24

約数和(自身を含む): 23961600

約数和(自身を除く): 10829655

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 15359, 46077, 76795, 138231, 230385, 291821, 691155, 875463, 1459105, 2626389, 4377315, 13131945]

約数ペア:

[(1, 13131945), (3, 4377315), (5, 2626389), (9, 1459105), (15, 875463), (19, 691155), (45, 291821), (57, 230385), (95, 138231), (171, 76795), (285, 46077), (855, 15359)]