259554321

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 439084800

約数和(自身を除く): 179530479

約数列:

[1, 3, 9, 13, 27, 29, 39, 43, 87, 117, 129, 261, 351, 377, 387, 559, 593, 783, 1131, 1161, 1247, 1677, 1779, 3393, 3741, 5031, 5337, 7709, 10179, 11223, 15093, 16011, 16211, 17197, 23127, 25499, 33669, 48633, 51591, 69381, 76497, 145899, 154773, 208143, 223561, 229491, 331487, 437697, 464319, 670683, 688473, 739471, 994461, 2012049, 2218413, 2983383, 6036147, 6655239, 8950149, 9613123, 19965717, 28839369, 86518107, 259554321]

約数ペア:

[(1, 259554321), (3, 86518107), (9, 28839369), (13, 19965717), (27, 9613123), (29, 8950149), (39, 6655239), (43, 6036147), (87, 2983383), (117, 2218413), (129, 2012049), (261, 994461), (351, 739471), (377, 688473), (387, 670683), (559, 464319), (593, 437697), (783, 331487), (1131, 229491), (1161, 223561), (1247, 208143), (1677, 154773), (1779, 145899), (3393, 76497), (3741, 69381), (5031, 51591), (5337, 48633), (7709, 33669), (10179, 25499), (11223, 23127), (15093, 17197), (16011, 16211)]