26891109

素因数分解:

$3^5\times 7^1\times {\mathrm{15809}}^1$

素因数の和:15831

約数の個数: 24

約数和(自身を含む): 46038720

約数和(自身を除く): 19147611

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 15809, 47427, 110663, 142281, 331989, 426843, 995967, 1280529, 2987901, 3841587, 8963703, 26891109]

約数ペア:

[(1, 26891109), (3, 8963703), (7, 3841587), (9, 2987901), (21, 1280529), (27, 995967), (63, 426843), (81, 331989), (189, 142281), (243, 110663), (567, 47427), (1701, 15809)]