128228217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{25889}}^1$

素因数の和:26032

約数の個数: 16

約数和(自身を含む): 185579520

約数和(自身を除く): 57351303

約数列:

[1, 3, 13, 39, 127, 381, 1651, 4953, 25889, 77667, 336557, 1009671, 3287903, 9863709, 42742739, 128228217]

約数ペア:

[(1, 128228217), (3, 42742739), (13, 9863709), (39, 3287903), (127, 1009671), (381, 336557), (1651, 77667), (4953, 25889)]