888947379

素因数分解:

$3^4\times {\mathrm{137}}^1\times {\mathrm{80107}}^1$

素因数の和:80256

約数の個数: 20

約数和(自身を含む): 1337643384

約数和(自身を除く): 448696005

約数列:

[1, 3, 9, 27, 81, 137, 411, 1233, 3699, 11097, 80107, 240321, 720963, 2162889, 6488667, 10974659, 32923977, 98771931, 296315793, 888947379]

約数ペア:

[(1, 888947379), (3, 296315793), (9, 98771931), (27, 32923977), (81, 10974659), (137, 6488667), (411, 2162889), (1233, 720963), (3699, 240321), (11097, 80107)]