8100081

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{9091}}^1$

素因数の和:9114

約数の個数: 20

約数和(自身を含む): 13201584

約数和(自身を除く): 5101503

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 9091, 27273, 81819, 100001, 245457, 300003, 736371, 900009, 2700027, 8100081]

約数ペア:

[(1, 8100081), (3, 2700027), (9, 900009), (11, 736371), (27, 300003), (33, 245457), (81, 100001), (99, 81819), (297, 27273), (891, 9091)]