28384239

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{4021}}^1$

素因数の和:4218

約数の個数: 16

約数和(自身を含む): 40992224

約数和(自身を除く): 12607985

約数列:

[1, 3, 13, 39, 181, 543, 2353, 4021, 7059, 12063, 52273, 156819, 727801, 2183403, 9461413, 28384239]

約数ペア:

[(1, 28384239), (3, 9461413), (13, 2183403), (39, 727801), (181, 156819), (543, 52273), (2353, 12063), (4021, 7059)]