8218989

素因数分解:

$3^5\times {\mathrm{149}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 12448800

約数和(自身を除く): 4229811

約数列:

[1, 3, 9, 27, 81, 149, 227, 243, 447, 681, 1341, 2043, 4023, 6129, 12069, 18387, 33823, 36207, 55161, 101469, 304407, 913221, 2739663, 8218989]

約数ペア:

[(1, 8218989), (3, 2739663), (9, 913221), (27, 304407), (81, 101469), (149, 55161), (227, 36207), (243, 33823), (447, 18387), (681, 12069), (1341, 6129), (2043, 4023)]