131026311

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{15773}}^1$

素因数の和:15863

約数の個数: 24

約数和(自身を含む): 206702496

約数和(自身を除く): 75676185

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 8307, 15773, 47319, 141957, 205049, 615147, 1119883, 1845441, 3359649, 10078947, 14558479, 43675437, 131026311]

約数ペア:

[(1, 131026311), (3, 43675437), (9, 14558479), (13, 10078947), (39, 3359649), (71, 1845441), (117, 1119883), (213, 615147), (639, 205049), (923, 141957), (2769, 47319), (8307, 15773)]