20171349

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{22639}}^1$

素因数の和:22662

約数の個数: 20

約数和(自身を含む): 32873280

約数和(自身を除く): 12701931

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 22639, 67917, 203751, 249029, 611253, 747087, 1833759, 2241261, 6723783, 20171349]

約数ペア:

[(1, 20171349), (3, 6723783), (9, 2241261), (11, 1833759), (27, 747087), (33, 611253), (81, 249029), (99, 203751), (297, 67917), (891, 22639)]