449217

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 24

約数和(自身を含む): 711360

約数和(自身を除く): 262143

約数列:

[1, 3, 9, 19, 37, 57, 71, 111, 171, 213, 333, 639, 703, 1349, 2109, 2627, 4047, 6327, 7881, 12141, 23643, 49913, 149739, 449217]

約数ペア:

[(1, 449217), (3, 149739), (9, 49913), (19, 23643), (37, 12141), (57, 7881), (71, 6327), (111, 4047), (171, 2627), (213, 2109), (333, 1349), (639, 703)]