18929727

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{8447}}^1$

素因数の和:8539

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 9455553

約数列:

[1, 3, 9, 27, 83, 249, 747, 2241, 8447, 25341, 76023, 228069, 701101, 2103303, 6309909, 18929727]

約数ペア:

[(1, 18929727), (3, 6309909), (9, 2103303), (27, 701101), (83, 228069), (249, 76023), (747, 25341), (2241, 8447)]