77987529

素因数分解:

$3^4\times {\mathrm{337}}^1\times {\mathrm{2857}}^1$

素因数の和:3206

約数の個数: 20

約数和(自身を含む): 116886484

約数和(自身を除く): 38898955

約数列:

[1, 3, 9, 27, 81, 337, 1011, 2857, 3033, 8571, 9099, 25713, 27297, 77139, 231417, 962809, 2888427, 8665281, 25995843, 77987529]

約数ペア:

[(1, 77987529), (3, 25995843), (9, 8665281), (27, 2888427), (81, 962809), (337, 231417), (1011, 77139), (2857, 27297), (3033, 25713), (8571, 9099)]