81454919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47111}}^1$

素因数の和:47150

約数の個数: 16

約数和(自身を含む): 105530880

約数和(自身を除く): 24075961

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 47111, 329777, 612443, 895109, 4287101, 6265763, 11636417, 81454919]

約数ペア:

[(1, 81454919), (7, 11636417), (13, 6265763), (19, 4287101), (91, 895109), (133, 612443), (247, 329777), (1729, 47111)]