81403353

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1483}}^1$

素因数の和:1618

約数の個数: 32

約数和(自身を含む): 128217600

約数和(自身を除く): 46814247

約数列:

[1, 3, 9, 19, 27, 57, 107, 171, 321, 513, 963, 1483, 2033, 2889, 4449, 6099, 13347, 18297, 28177, 40041, 54891, 84531, 158681, 253593, 476043, 760779, 1428129, 3014939, 4284387, 9044817, 27134451, 81403353]

約数ペア:

[(1, 81403353), (3, 27134451), (9, 9044817), (19, 4284387), (27, 3014939), (57, 1428129), (107, 760779), (171, 476043), (321, 253593), (513, 158681), (963, 84531), (1483, 54891), (2033, 40041), (2889, 28177), (4449, 18297), (6099, 13347)]