15565905

素因数分解:

$3^3\times 5^1\times {\mathrm{115303}}^1$

素因数の和:115317

約数の個数: 16

約数和(自身を含む): 27672960

約数和(自身を除く): 12107055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 115303, 345909, 576515, 1037727, 1729545, 3113181, 5188635, 15565905]

約数ペア:

[(1, 15565905), (3, 5188635), (5, 3113181), (9, 1729545), (15, 1037727), (27, 576515), (45, 345909), (135, 115303)]