28165239

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{18301}}^1$

素因数の和:18332

約数の個数: 20

約数和(自身を含む): 44290840

約数和(自身を除く): 16125601

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 18301, 54903, 164709, 347719, 494127, 1043157, 1482381, 3129471, 9388413, 28165239]

約数ペア:

[(1, 28165239), (3, 9388413), (9, 3129471), (19, 1482381), (27, 1043157), (57, 494127), (81, 347719), (171, 164709), (513, 54903), (1539, 18301)]