26189919

素因数分解:

$3^3\times 7^1\times {\mathrm{138571}}^1$

素因数の和:138587

約数の個数: 16

約数和(自身を含む): 44343040

約数和(自身を除く): 18153121

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 138571, 415713, 969997, 1247139, 2909991, 3741417, 8729973, 26189919]

約数ペア:

[(1, 26189919), (3, 8729973), (7, 3741417), (9, 2909991), (21, 1247139), (27, 969997), (63, 415713), (189, 138571)]