12740489217

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{8903207}}^1$

素因数の和:8903269

約数の個数: 16

約数和(自身を含む): 19230929280

約数和(自身を除く): 6490440063

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 8903207, 26709621, 80128863, 240386589, 471869971, 1415609913, 4246829739, 12740489217]

約数ペア:

[(1, 12740489217), (3, 4246829739), (9, 1415609913), (27, 471869971), (53, 240386589), (159, 80128863), (477, 26709621), (1431, 8903207)]