809109

素因数分解:

$3^4\times 7^1\times {\mathrm{1427}}^1$

素因数の和:1446

約数の個数: 20

約数和(自身を含む): 1382304

約数和(自身を除く): 573195

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1427, 4281, 9989, 12843, 29967, 38529, 89901, 115587, 269703, 809109]

約数ペア:

[(1, 809109), (3, 269703), (7, 115587), (9, 89901), (21, 38529), (27, 29967), (63, 12843), (81, 9989), (189, 4281), (567, 1427)]