28721016597

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7691}}^1\times {\mathrm{13679}}^1$

素因数の和:21393

約数の個数: 32

約数和(自身を含む): 47141498880

約数和(自身を除く): 18420482283

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 7691, 13679, 23073, 41037, 53837, 95753, 99983, 161511, 177827, 287259, 299949, 533481, 699881, 1244789, 2099643, 3734367, 105205189, 315615567, 736436323, 1367667457, 2209308969, 4103002371, 9573672199, 28721016597]

約数ペア:

[(1, 28721016597), (3, 9573672199), (7, 4103002371), (13, 2209308969), (21, 1367667457), (39, 736436323), (91, 315615567), (273, 105205189), (7691, 3734367), (13679, 2099643), (23073, 1244789), (41037, 699881), (53837, 533481), (95753, 299949), (99983, 287259), (161511, 177827)]