20090727

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{9419}}^1$

素因数の和:9507

約数の個数: 16

約数和(自身を含む): 30144000

約数和(自身を除く): 10053273

約数列:

[1, 3, 9, 27, 79, 237, 711, 2133, 9419, 28257, 84771, 254313, 744101, 2232303, 6696909, 20090727]

約数ペア:

[(1, 20090727), (3, 6696909), (9, 2232303), (27, 744101), (79, 254313), (237, 84771), (711, 28257), (2133, 9419)]