15286509

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1$

素因数の和:2834

約数の個数: 32

約数和(自身を含む): 26784000

約数和(自身を除く): 11497491

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 2789, 5481, 8367, 19523, 25101, 58569, 75303, 80881, 175707, 242643, 527121, 566167, 727929, 1698501, 2183787, 5095503, 15286509]

約数ペア:

[(1, 15286509), (3, 5095503), (7, 2183787), (9, 1698501), (21, 727929), (27, 566167), (29, 527121), (63, 242643), (87, 175707), (189, 80881), (203, 75303), (261, 58569), (609, 25101), (783, 19523), (1827, 8367), (2789, 5481)]