207784035

素因数分解:

$3^4\times 5^1\times {\mathrm{513047}}^1$

素因数の和:513064

約数の個数: 20

約数和(自身を含む): 372472848

約数和(自身を除く): 164688813

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 513047, 1539141, 2565235, 4617423, 7695705, 13852269, 23087115, 41556807, 69261345, 207784035]

約数ペア:

[(1, 207784035), (3, 69261345), (5, 41556807), (9, 23087115), (15, 13852269), (27, 7695705), (45, 4617423), (81, 2565235), (135, 1539141), (405, 513047)]