87712191

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{241}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 149497920

約数和(自身を除く): 61785729

約数列:

[1, 3, 7, 9, 21, 53, 63, 109, 159, 241, 327, 371, 477, 723, 763, 981, 1113, 1687, 2169, 2289, 3339, 5061, 5777, 6867, 12773, 15183, 17331, 26269, 38319, 40439, 51993, 78807, 89411, 114957, 121317, 183883, 236421, 268233, 363951, 551649, 804699, 1392257, 1654947, 4176771, 9745799, 12530313, 29237397, 87712191]

約数ペア:

[(1, 87712191), (3, 29237397), (7, 12530313), (9, 9745799), (21, 4176771), (53, 1654947), (63, 1392257), (109, 804699), (159, 551649), (241, 363951), (327, 268233), (371, 236421), (477, 183883), (723, 121317), (763, 114957), (981, 89411), (1113, 78807), (1687, 51993), (2169, 40439), (2289, 38319), (3339, 26269), (5061, 17331), (5777, 15183), (6867, 12773)]