128572719

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{28439}}^1$

素因数の和:28590

約数の個数: 16

約数和(自身を含む): 188386560

約数和(自身を除く): 59813841

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4521, 28439, 85317, 312829, 938487, 3896143, 11688429, 42857573, 128572719]

約数ペア:

[(1, 128572719), (3, 42857573), (11, 11688429), (33, 3896143), (137, 938487), (411, 312829), (1507, 85317), (4521, 28439)]