28689417

素因数分解:

$3^3\times {\mathrm{89}}^1\times {\mathrm{11939}}^1$

素因数の和:12037

約数の個数: 16

約数和(自身を含む): 42984000

約数和(自身を除く): 14294583

約数列:

[1, 3, 9, 27, 89, 267, 801, 2403, 11939, 35817, 107451, 322353, 1062571, 3187713, 9563139, 28689417]

約数ペア:

[(1, 28689417), (3, 9563139), (9, 3187713), (27, 1062571), (89, 322353), (267, 107451), (801, 35817), (2403, 11939)]