2018576781

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{1916977}}^1$

素因数の和:1917002

約数の個数: 20

約数和(自身を含む): 3247360732

約数和(自身を除く): 1228783951

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 1916977, 5750931, 17252793, 24920701, 51758379, 74762103, 155275137, 224286309, 672858927, 2018576781]

約数ペア:

[(1, 2018576781), (3, 672858927), (9, 224286309), (13, 155275137), (27, 74762103), (39, 51758379), (81, 24920701), (117, 17252793), (351, 5750931), (1053, 1916977)]