28689957

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{1307}}^1$

素因数の和:1590

約数の個数: 20

約数和(自身を含む): 43048896

約数和(自身を除く): 14358939

約数列:

[1, 3, 9, 27, 81, 271, 813, 1307, 2439, 3921, 7317, 11763, 21951, 35289, 105867, 354197, 1062591, 3187773, 9563319, 28689957]

約数ペア:

[(1, 28689957), (3, 9563319), (9, 3187773), (27, 1062591), (81, 354197), (271, 105867), (813, 35289), (1307, 21951), (2439, 11763), (3921, 7317)]