205217685

素因数分解:

$3^3\times 5^1\times {\mathrm{1520131}}^1$

素因数の和:1520145

約数の個数: 16

約数和(自身を含む): 364831680

約数和(自身を除く): 159613995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1520131, 4560393, 7600655, 13681179, 22801965, 41043537, 68405895, 205217685]

約数ペア:

[(1, 205217685), (3, 68405895), (5, 41043537), (9, 22801965), (15, 13681179), (27, 7600655), (45, 4560393), (135, 1520131)]