8001909

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:678

約数の個数: 20

約数和(自身を含む): 12034176

約数和(自身を除く): 4032267

約数列:

[1, 3, 9, 27, 81, 223, 443, 669, 1329, 2007, 3987, 6021, 11961, 18063, 35883, 98789, 296367, 889101, 2667303, 8001909]

約数ペア:

[(1, 8001909), (3, 2667303), (9, 889101), (27, 296367), (81, 98789), (223, 35883), (443, 18063), (669, 11961), (1329, 6021), (2007, 3987)]