16321551

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 24076800

約数和(自身を除く): 7755249

約数列:

[1, 3, 19, 37, 57, 71, 109, 111, 213, 327, 703, 1349, 2071, 2109, 2627, 4033, 4047, 6213, 7739, 7881, 12099, 23217, 49913, 76627, 147041, 149739, 229881, 286343, 441123, 859029, 5440517, 16321551]

約数ペア:

[(1, 16321551), (3, 5440517), (19, 859029), (37, 441123), (57, 286343), (71, 229881), (109, 149739), (111, 147041), (213, 76627), (327, 49913), (703, 23217), (1349, 12099), (2071, 7881), (2109, 7739), (2627, 6213), (4033, 4047)]