127942857

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{34421}}^1$

素因数の和:34493

約数の個数: 24

約数和(自身を含む): 214793280

約数和(自身を除く): 86850423

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 34421, 103263, 240947, 309789, 722841, 2030839, 2168523, 6092517, 14215873, 18277551, 42647619, 127942857]

約数ペア:

[(1, 127942857), (3, 42647619), (7, 18277551), (9, 14215873), (21, 6092517), (59, 2168523), (63, 2030839), (177, 722841), (413, 309789), (531, 240947), (1239, 103263), (3717, 34421)]