81633747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2687}}^1$

素因数の和:2763

約数の個数: 32

約数和(自身を含む): 126443520

約数和(自身を除く): 44809773

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 741, 779, 1599, 2337, 2687, 8061, 10127, 30381, 34931, 51053, 104793, 110167, 153159, 330501, 663689, 1432171, 1991067, 2093173, 4296513, 6279519, 27211249, 81633747]

約数ペア:

[(1, 81633747), (3, 27211249), (13, 6279519), (19, 4296513), (39, 2093173), (41, 1991067), (57, 1432171), (123, 663689), (247, 330501), (533, 153159), (741, 110167), (779, 104793), (1599, 51053), (2337, 34931), (2687, 30381), (8061, 10127)]