2809395

素因数分解:

$3^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{419}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 4914000

約数和(自身を除く): 2104605

約数列:

[1, 3, 5, 9, 15, 45, 149, 419, 447, 745, 1257, 1341, 2095, 2235, 3771, 6285, 6705, 18855, 62431, 187293, 312155, 561879, 936465, 2809395]

約数ペア:

[(1, 2809395), (3, 936465), (5, 561879), (9, 312155), (15, 187293), (45, 62431), (149, 18855), (419, 6705), (447, 6285), (745, 3771), (1257, 2235), (1341, 2095)]