28130277

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{16139}}^1$

素因数の和:16232

約数の個数: 16

約数和(自身を含む): 43384320

約数和(自身を除く): 15254043

約数列:

[1, 3, 7, 21, 83, 249, 581, 1743, 16139, 48417, 112973, 338919, 1339537, 4018611, 9376759, 28130277]

約数ペア:

[(1, 28130277), (3, 9376759), (7, 4018611), (21, 1339537), (83, 338919), (249, 112973), (581, 48417), (1743, 16139)]