15505263

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{1789}}^1$

素因数の和:1908

約数の個数: 20

約数和(自身を含む): 23391720

約数和(自身を除く): 7886457

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 1789, 2889, 5367, 8667, 16101, 48303, 144909, 191423, 574269, 1722807, 5168421, 15505263]

約数ペア:

[(1, 15505263), (3, 5168421), (9, 1722807), (27, 574269), (81, 191423), (107, 144909), (321, 48303), (963, 16101), (1789, 8667), (2889, 5367)]