28805385

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{39191}}^1$

素因数の和:39213

約数の個数: 24

約数和(自身を含む): 53614656

約数和(自身を除く): 24809271

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 39191, 117573, 195955, 274337, 587865, 823011, 1371685, 1920359, 4115055, 5761077, 9601795, 28805385]

約数ペア:

[(1, 28805385), (3, 9601795), (5, 5761077), (7, 4115055), (15, 1920359), (21, 1371685), (35, 823011), (49, 587865), (105, 274337), (147, 195955), (245, 117573), (735, 39191)]