81131418

素因数分解:

$2^1\times 3^2\times {\mathrm{239}}^1\times {\mathrm{18859}}^1$

素因数の和:19106

約数の個数: 24

約数和(自身を含む): 176529600

約数和(自身を除く): 95398182

約数列:

[1, 2, 3, 6, 9, 18, 239, 478, 717, 1434, 2151, 4302, 18859, 37718, 56577, 113154, 169731, 339462, 4507301, 9014602, 13521903, 27043806, 40565709, 81131418]

約数ペア:

[(1, 81131418), (2, 40565709), (3, 27043806), (6, 13521903), (9, 9014602), (18, 4507301), (239, 339462), (478, 169731), (717, 113154), (1434, 56577), (2151, 37718), (4302, 18859)]