16822953

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3761}}^1$

素因数の和:3845

約数の個数: 24

約数和(自身を含む): 28169856

約数和(自身を除く): 11346903

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 3761, 4473, 11283, 26327, 33849, 78981, 236943, 267031, 801093, 1869217, 2403279, 5607651, 16822953]

約数ペア:

[(1, 16822953), (3, 5607651), (7, 2403279), (9, 1869217), (21, 801093), (63, 267031), (71, 236943), (213, 78981), (497, 33849), (639, 26327), (1491, 11283), (3761, 4473)]