26988003

素因数分解:

$3^2\times 7^1\times {\mathrm{443}}^1\times {\mathrm{967}}^1$

素因数の和:1423

約数の個数: 24

約数和(自身を含む): 44698368

約数和(自身を除く): 17710365

約数列:

[1, 3, 7, 9, 21, 63, 443, 967, 1329, 2901, 3101, 3987, 6769, 8703, 9303, 20307, 27909, 60921, 428381, 1285143, 2998667, 3855429, 8996001, 26988003]

約数ペア:

[(1, 26988003), (3, 8996001), (7, 3855429), (9, 2998667), (21, 1285143), (63, 428381), (443, 60921), (967, 27909), (1329, 20307), (2901, 9303), (3101, 8703), (3987, 6769)]