28812861

素因数分解:

$3^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13859}}^1$

素因数の和:13886

約数の個数: 32

約数和(自身を含む): 53222400

約数和(自身を除く): 24409539

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 99, 189, 231, 297, 693, 2079, 13859, 41577, 97013, 124731, 152449, 291039, 374193, 457347, 873117, 1067143, 1372041, 2619351, 3201429, 4116123, 9604287, 28812861]

約数ペア:

[(1, 28812861), (3, 9604287), (7, 4116123), (9, 3201429), (11, 2619351), (21, 1372041), (27, 1067143), (33, 873117), (63, 457347), (77, 374193), (99, 291039), (189, 152449), (231, 124731), (297, 97013), (693, 41577), (2079, 13859)]