55936209

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{140191}}^1$

素因数の和:140220

約数の個数: 16

約数和(自身を含む): 89722880

約数和(自身を除く): 33786671

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 140191, 420573, 981337, 2663629, 2944011, 7990887, 18645403, 55936209]

約数ペア:

[(1, 55936209), (3, 18645403), (7, 7990887), (19, 2944011), (21, 2663629), (57, 981337), (133, 420573), (399, 140191)]