26128389

素因数分解:

$3^1\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2179}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 39902720

約数和(自身を除く): 13774331

約数列:

[1, 3, 7, 21, 571, 1713, 2179, 3997, 6537, 11991, 15253, 45759, 1244209, 3732627, 8709463, 26128389]

約数ペア:

[(1, 26128389), (3, 8709463), (7, 3732627), (21, 1244209), (571, 45759), (1713, 15253), (2179, 11991), (3997, 6537)]