128090241

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{29837}}^1$

素因数の和:29902

約数の個数: 20

約数和(自身を含む): 194961492

約数和(自身を除く): 66871251

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 29837, 89511, 268533, 805599, 1581361, 2416797, 4744083, 14232249, 42696747, 128090241]

約数ペア:

[(1, 128090241), (3, 42696747), (9, 14232249), (27, 4744083), (53, 2416797), (81, 1581361), (159, 805599), (477, 268533), (1431, 89511), (4293, 29837)]