81021219

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{167}}^1\times {\mathrm{2741}}^1$

素因数の和:2970

約数の個数: 16

約数和(自身を含む): 110557440

約数和(自身を除く): 29536221

約数列:

[1, 3, 59, 167, 177, 501, 2741, 8223, 9853, 29559, 161719, 457747, 485157, 1373241, 27007073, 81021219]

約数ペア:

[(1, 81021219), (3, 27007073), (59, 1373241), (167, 485157), (177, 457747), (501, 161719), (2741, 29559), (8223, 9853)]