40686087

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{54907}}^1$

素因数の和:54942

約数の個数: 16

約数和(自身を含む): 61496960

約数和(自身を除く): 20810873

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 54907, 164721, 713791, 1043233, 2141373, 3129699, 13562029, 40686087]

約数ペア:

[(1, 40686087), (3, 13562029), (13, 3129699), (19, 2141373), (39, 1043233), (57, 713791), (247, 164721), (741, 54907)]