81104387

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 104926080

約数和(自身を除く): 23821693

約数列:

[1, 7, 13, 29, 73, 91, 203, 377, 421, 511, 949, 2117, 2639, 2947, 5473, 6643, 12209, 14819, 27521, 30733, 38311, 85463, 158717, 192647, 215131, 399529, 891257, 1111019, 2796703, 6238799, 11586341, 81104387]

約数ペア:

[(1, 81104387), (7, 11586341), (13, 6238799), (29, 2796703), (73, 1111019), (91, 891257), (203, 399529), (377, 215131), (421, 192647), (511, 158717), (949, 85463), (2117, 38311), (2639, 30733), (2947, 27521), (5473, 14819), (6643, 12209)]