28269027

素因数分解:

$3^3\times {\mathrm{811}}^1\times {\mathrm{1291}}^1$

素因数の和:2111

約数の個数: 16

約数和(自身を含む): 41964160

約数和(自身を除く): 13695133

約数列:

[1, 3, 9, 27, 811, 1291, 2433, 3873, 7299, 11619, 21897, 34857, 1047001, 3141003, 9423009, 28269027]

約数ペア:

[(1, 28269027), (3, 9423009), (9, 3141003), (27, 1047001), (811, 34857), (1291, 21897), (2433, 11619), (3873, 7299)]