808216209

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{821}}^1\times {\mathrm{1229}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 1182940200

約数和(自身を除く): 374723991

約数列:

[1, 3, 9, 89, 267, 801, 821, 1229, 2463, 3687, 7389, 11061, 73069, 109381, 219207, 328143, 657621, 984429, 1009009, 3027027, 9081081, 89801801, 269405403, 808216209]

約数ペア:

[(1, 808216209), (3, 269405403), (9, 89801801), (89, 9081081), (267, 3027027), (801, 1009009), (821, 984429), (1229, 657621), (2463, 328143), (3687, 219207), (7389, 109381), (11061, 73069)]