16421235

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 28242432

約数和(自身を除く): 11821197

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 907, 1065, 1207, 2721, 3621, 4535, 6035, 13605, 15419, 18105, 46257, 64397, 77095, 193191, 231285, 321985, 965955, 1094749, 3284247, 5473745, 16421235]

約数ペア:

[(1, 16421235), (3, 5473745), (5, 3284247), (15, 1094749), (17, 965955), (51, 321985), (71, 231285), (85, 193191), (213, 77095), (255, 64397), (355, 46257), (907, 18105), (1065, 15419), (1207, 13605), (2721, 6035), (3621, 4535)]