18171621

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17257}}^1$

素因数の和:17282

約数の個数: 20

約数和(自身を含む): 29235052

約数和(自身を除く): 11063431

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17257, 51771, 155313, 224341, 465939, 673023, 1397817, 2019069, 6057207, 18171621]

約数ペア:

[(1, 18171621), (3, 6057207), (9, 2019069), (13, 1397817), (27, 673023), (39, 465939), (81, 224341), (117, 155313), (351, 51771), (1053, 17257)]