127291223

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 147350016

約数和(自身を除く): 20058793

約数列:

[1, 17, 23, 43, 67, 113, 391, 731, 989, 1139, 1541, 1921, 2599, 2881, 4859, 7571, 16813, 26197, 44183, 48977, 66263, 82603, 111757, 128707, 174133, 325553, 1126471, 1899869, 2960261, 5534401, 7487719, 127291223]

約数ペア:

[(1, 127291223), (17, 7487719), (23, 5534401), (43, 2960261), (67, 1899869), (113, 1126471), (391, 325553), (731, 174133), (989, 128707), (1139, 111757), (1541, 82603), (1921, 66263), (2599, 48977), (2881, 44183), (4859, 26197), (7571, 16813)]