13355881

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:445

約数の個数: 24

約数和(自身を含む): 17236800

約数和(自身を除く): 3880919

約数列:

[1, 7, 11, 49, 71, 77, 349, 497, 539, 781, 2443, 3479, 3839, 5467, 17101, 24779, 26873, 38269, 173453, 188111, 272569, 1214171, 1907983, 13355881]

約数ペア:

[(1, 13355881), (7, 1907983), (11, 1214171), (49, 272569), (71, 188111), (77, 173453), (349, 38269), (497, 26873), (539, 24779), (781, 17101), (2443, 5467), (3479, 3839)]