8217909

素因数分解:

$3^3\times 7^1\times {\mathrm{43481}}^1$

素因数の和:43497

約数の個数: 16

約数和(自身を含む): 13914240

約数和(自身を除く): 5696331

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 43481, 130443, 304367, 391329, 913101, 1173987, 2739303, 8217909]

約数ペア:

[(1, 8217909), (3, 2739303), (7, 1173987), (9, 913101), (21, 391329), (27, 304367), (63, 130443), (189, 43481)]