81850257

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{59441}}^1$

素因数の和:59470

約数の個数: 20

約数和(自身を含む): 129464676

約数和(自身を除く): 47614419

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 59441, 178323, 534969, 1010497, 1604907, 3031491, 4814721, 9094473, 27283419, 81850257]

約数ペア:

[(1, 81850257), (3, 27283419), (9, 9094473), (17, 4814721), (27, 3031491), (51, 1604907), (81, 1010497), (153, 534969), (459, 178323), (1377, 59441)]