25326987

素因数分解:

$3^1\times 7^1\times {\mathrm{991}}^1\times {\mathrm{1217}}^1$

素因数の和:2218

約数の個数: 16

約数和(自身を含む): 38664192

約数和(自身を除く): 13337205

約数列:

[1, 3, 7, 21, 991, 1217, 2973, 3651, 6937, 8519, 20811, 25557, 1206047, 3618141, 8442329, 25326987]

約数ペア:

[(1, 25326987), (3, 8442329), (7, 3618141), (21, 1206047), (991, 25557), (1217, 20811), (2973, 8519), (3651, 6937)]