78138243

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 118809600

約数和(自身を除く): 40671357

約数列:

[1, 3, 9, 27, 59, 177, 181, 271, 531, 543, 813, 1593, 1629, 2439, 4887, 7317, 10679, 15989, 32037, 47967, 49051, 96111, 143901, 147153, 288333, 431703, 441459, 1324377, 2894009, 8682027, 26046081, 78138243]

約数ペア:

[(1, 78138243), (3, 26046081), (9, 8682027), (27, 2894009), (59, 1324377), (177, 441459), (181, 431703), (271, 288333), (531, 147153), (543, 143901), (813, 96111), (1593, 49051), (1629, 47967), (2439, 32037), (4887, 15989), (7317, 10679)]