9915321

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13381}}^1$

素因数の和:13416

約数の個数: 16

約数和(自身を含む): 14987840

約数和(自身を除く): 5072519

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 13381, 40143, 173953, 254239, 521859, 762717, 3305107, 9915321]

約数ペア:

[(1, 9915321), (3, 3305107), (13, 762717), (19, 521859), (39, 254239), (57, 173953), (247, 40143), (741, 13381)]