51709347

素因数分解:

$3^4\times {\mathrm{181}}^1\times {\mathrm{3527}}^1$

素因数の和:3720

約数の個数: 20

約数和(自身を含む): 77693616

約数和(自身を除く): 25984269

約数列:

[1, 3, 9, 27, 81, 181, 543, 1629, 3527, 4887, 10581, 14661, 31743, 95229, 285687, 638387, 1915161, 5745483, 17236449, 51709347]

約数ペア:

[(1, 51709347), (3, 17236449), (9, 5745483), (27, 1915161), (81, 638387), (181, 285687), (543, 95229), (1629, 31743), (3527, 14661), (4887, 10581)]