81311796

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{17509}}^1$

素因数の和:17565

約数の個数: 48

約数和(自身を含む): 215723200

約数和(自身を除く): 134411404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4644, 17509, 35018, 52527, 70036, 105054, 157581, 210108, 315162, 472743, 630324, 752887, 945486, 1505774, 1890972, 2258661, 3011548, 4517322, 6775983, 9034644, 13551966, 20327949, 27103932, 40655898, 81311796]

約数ペア:

[(1, 81311796), (2, 40655898), (3, 27103932), (4, 20327949), (6, 13551966), (9, 9034644), (12, 6775983), (18, 4517322), (27, 3011548), (36, 2258661), (43, 1890972), (54, 1505774), (86, 945486), (108, 752887), (129, 630324), (172, 472743), (258, 315162), (387, 210108), (516, 157581), (774, 105054), (1161, 70036), (1548, 52527), (2322, 35018), (4644, 17509)]