28777923

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{20899}}^1$

素因数の和:20928

約数の個数: 20

約数和(自身を含む): 45520200

約数和(自身を除く): 16742277

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 20899, 62697, 188091, 355283, 564273, 1065849, 1692819, 3197547, 9592641, 28777923]

約数ペア:

[(1, 28777923), (3, 9592641), (9, 3197547), (17, 1692819), (27, 1065849), (51, 564273), (81, 355283), (153, 188091), (459, 62697), (1377, 20899)]