26857251

素因数分解:

$3^4\times {\mathrm{251}}^1\times {\mathrm{1321}}^1$

素因数の和:1584

約数の個数: 20

約数和(自身を含む): 40310424

約数和(自身を除く): 13453173

約数列:

[1, 3, 9, 27, 81, 251, 753, 1321, 2259, 3963, 6777, 11889, 20331, 35667, 107001, 331571, 994713, 2984139, 8952417, 26857251]

約数ペア:

[(1, 26857251), (3, 8952417), (9, 2984139), (27, 994713), (81, 331571), (251, 107001), (753, 35667), (1321, 20331), (2259, 11889), (3963, 6777)]