17992791

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2515

約数の個数: 24

約数和(自身を含む): 28005120

約数和(自身を除く): 10012329

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2447, 2451, 7341, 7353, 22023, 46493, 105221, 139479, 315663, 418437, 946989, 1999199, 5997597, 17992791]

約数ペア:

[(1, 17992791), (3, 5997597), (9, 1999199), (19, 946989), (43, 418437), (57, 315663), (129, 139479), (171, 105221), (387, 46493), (817, 22023), (2447, 7353), (2451, 7341)]