66639.0000000

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:255

約数の個数: 24

約数和(自身を含む): 2208752

約数和(自身を除く): 816569

約数列:

[1, 3, 9, 13, 39, 73, 117, 163, 219, 489, 657, 949, 1467, 2119, 2847, 6357, 8541, 11899, 19071, 35697, 107091, 154687, 464061, 1392183]

約数ペア:

[(1, 1392183), (3, 464061), (9, 154687), (13, 107091), (39, 35697), (73, 19071), (117, 11899), (163, 8541), (219, 6357), (489, 2847), (657, 2119), (949, 1467)]