12741021

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{157}}^1$

素因数の和:361

約数の個数: 24

約数和(自身を含む): 18929664

約数和(自身を除く): 6188643

約数列:

[1, 3, 9, 71, 127, 157, 213, 381, 471, 639, 1143, 1413, 9017, 11147, 19939, 27051, 33441, 59817, 81153, 100323, 179451, 1415669, 4247007, 12741021]

約数ペア:

[(1, 12741021), (3, 4247007), (9, 1415669), (71, 179451), (127, 100323), (157, 81153), (213, 59817), (381, 33441), (471, 27051), (639, 19939), (1143, 11147), (1413, 9017)]