131722241

素因数分解:

$7^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 157418496

約数和(自身を除く): 25696255

約数列:

[1, 7, 49, 61, 127, 347, 427, 889, 2429, 2989, 6223, 7747, 17003, 21167, 44069, 54229, 148169, 308483, 379603, 1037183, 2159381, 2688209, 18817463, 131722241]

約数ペア:

[(1, 131722241), (7, 18817463), (49, 2688209), (61, 2159381), (127, 1037183), (347, 379603), (427, 308483), (889, 148169), (2429, 54229), (2989, 44069), (6223, 21167), (7747, 17003)]