28810947

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 42602560

約数和(自身を除く): 13791613

約数列:

[1, 3, 11, 33, 121, 139, 363, 417, 571, 1529, 1713, 4587, 6281, 16819, 18843, 50457, 69091, 79369, 207273, 238107, 873059, 2619177, 9603649, 28810947]

約数ペア:

[(1, 28810947), (3, 9603649), (11, 2619177), (33, 873059), (121, 238107), (139, 207273), (363, 79369), (417, 69091), (571, 50457), (1529, 18843), (1713, 16819), (4587, 6281)]