81814572

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324661}}^1$

素因数の和:324678

約数の個数: 36

約数和(自身を含む): 236353936

約数和(自身を除く): 154539364

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324661, 649322, 973983, 1298644, 1947966, 2272627, 2921949, 3895932, 4545254, 5843898, 6817881, 9090508, 11687796, 13635762, 20453643, 27271524, 40907286, 81814572]

約数ペア:

[(1, 81814572), (2, 40907286), (3, 27271524), (4, 20453643), (6, 13635762), (7, 11687796), (9, 9090508), (12, 6817881), (14, 5843898), (18, 4545254), (21, 3895932), (28, 2921949), (36, 2272627), (42, 1947966), (63, 1298644), (84, 973983), (126, 649322), (252, 324661)]