555009

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 967680

約数和(自身を除く): 412671

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 107, 133, 247, 273, 321, 399, 741, 749, 1391, 1729, 2033, 2247, 4173, 5187, 6099, 9737, 14231, 26429, 29211, 42693, 79287, 185003, 555009]

約数ペア:

[(1, 555009), (3, 185003), (7, 79287), (13, 42693), (19, 29211), (21, 26429), (39, 14231), (57, 9737), (91, 6099), (107, 5187), (133, 4173), (247, 2247), (273, 2033), (321, 1729), (399, 1391), (741, 749)]