127777223

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{18127}}^1$

素因数の和:18206

約数の個数: 16

約数和(自身を含む): 156625920

約数和(自身を除く): 28848697

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 18127, 126889, 344413, 960731, 2410891, 6725117, 18253889, 127777223]

約数ペア:

[(1, 127777223), (7, 18253889), (19, 6725117), (53, 2410891), (133, 960731), (371, 344413), (1007, 126889), (7049, 18127)]