200021643

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{145259}}^1$

素因数の和:145288

約数の個数: 20

約数和(自身を含む): 316376280

約数和(自身を除く): 116354637

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 145259, 435777, 1307331, 2469403, 3921993, 7408209, 11765979, 22224627, 66673881, 200021643]

約数ペア:

[(1, 200021643), (3, 66673881), (9, 22224627), (17, 11765979), (27, 7408209), (51, 3921993), (81, 2469403), (153, 1307331), (459, 435777), (1377, 145259)]