247321569

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^2\times {\mathrm{2153}}^1$

素因数の和:2285

約数の個数: 24

約数和(自身を含む): 366111072

約数和(自身を除く): 118789503

約数列:

[1, 3, 11, 33, 59, 177, 649, 1947, 2153, 3481, 6459, 10443, 23683, 38291, 71049, 114873, 127027, 381081, 1397297, 4191891, 7494593, 22483779, 82440523, 247321569]

約数ペア:

[(1, 247321569), (3, 82440523), (11, 22483779), (33, 7494593), (59, 4191891), (177, 1397297), (649, 381081), (1947, 127027), (2153, 114873), (3481, 71049), (6459, 38291), (10443, 23683)]