1906562007

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{220897}}^1$

素因数の和:221047

約数の個数: 24

約数和(自身を含む): 3170328096

約数和(自身を除く): 1263766089

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2877, 8631, 220897, 662691, 1546279, 1988073, 4638837, 13916511, 30262889, 90788667, 211840223, 272366001, 635520669, 1906562007]

約数ペア:

[(1, 1906562007), (3, 635520669), (7, 272366001), (9, 211840223), (21, 90788667), (63, 30262889), (137, 13916511), (411, 4638837), (959, 1988073), (1233, 1546279), (2877, 662691), (8631, 220897)]