2019555321

素因数分解:

$3^1\times 7^1\times {\mathrm{3331}}^1\times {\mathrm{28871}}^1$

素因数の和:32212

約数の個数: 16

約数和(自身を含む): 3078448128

約数和(自身を除く): 1058892807

約数列:

[1, 3, 7, 21, 3331, 9993, 23317, 28871, 69951, 86613, 202097, 606291, 96169301, 288507903, 673185107, 2019555321]

約数ペア:

[(1, 2019555321), (3, 673185107), (7, 288507903), (21, 96169301), (3331, 606291), (9993, 202097), (23317, 86613), (28871, 69951)]