212944935

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{289721}}^1$

素因数の和:289743

約数の個数: 24

約数和(自身を含む): 396339696

約数和(自身を除く): 183394761

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 289721, 869163, 1448605, 2028047, 4345815, 6084141, 10140235, 14196329, 30420705, 42588987, 70981645, 212944935]

約数ペア:

[(1, 212944935), (3, 70981645), (5, 42588987), (7, 30420705), (15, 14196329), (21, 10140235), (35, 6084141), (49, 4345815), (105, 2028047), (147, 1448605), (245, 869163), (735, 289721)]