891231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{239}}^1$

素因数の和:366

約数の個数: 16

約数和(自身を含む): 1313280

約数和(自身を除く): 422049

約数列:

[1, 3, 11, 33, 113, 239, 339, 717, 1243, 2629, 3729, 7887, 27007, 81021, 297077, 891231]

約数ペア:

[(1, 891231), (3, 297077), (11, 81021), (33, 27007), (113, 7887), (239, 3729), (339, 2629), (717, 1243)]