206563365

素因数分解:

$3^5\times 5^1\times {\mathrm{197}}^1\times {\mathrm{863}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 373621248

約数和(自身を除く): 167057883

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 197, 243, 405, 591, 863, 985, 1215, 1773, 2589, 2955, 4315, 5319, 7767, 8865, 12945, 15957, 23301, 26595, 38835, 47871, 69903, 79785, 116505, 170011, 209709, 239355, 349515, 510033, 850055, 1048545, 1530099, 2550165, 4590297, 7650495, 13770891, 22951485, 41312673, 68854455, 206563365]

約数ペア:

[(1, 206563365), (3, 68854455), (5, 41312673), (9, 22951485), (15, 13770891), (27, 7650495), (45, 4590297), (81, 2550165), (135, 1530099), (197, 1048545), (243, 850055), (405, 510033), (591, 349515), (863, 239355), (985, 209709), (1215, 170011), (1773, 116505), (2589, 79785), (2955, 69903), (4315, 47871), (5319, 38835), (7767, 26595), (8865, 23301), (12945, 15957)]