13123143

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1867}}^1$

素因数の和:1955

約数の個数: 24

約数和(自身を含む): 20981376

約数和(自身を除く): 7858233

約数列:

[1, 3, 9, 11, 33, 71, 99, 213, 639, 781, 1867, 2343, 5601, 7029, 16803, 20537, 61611, 132557, 184833, 397671, 1193013, 1458127, 4374381, 13123143]

約数ペア:

[(1, 13123143), (3, 4374381), (9, 1458127), (11, 1193013), (33, 397671), (71, 184833), (99, 132557), (213, 61611), (639, 20537), (781, 16803), (1867, 7029), (2343, 5601)]