214328947

素因数分解:

$7^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 255987456

約数和(自身を除く): 41658509

約数列:

[1, 7, 31, 151, 211, 217, 961, 1057, 1477, 4681, 6541, 6727, 31861, 32767, 45787, 145111, 202771, 223027, 987691, 1015777, 1419397, 6913837, 30618421, 214328947]

約数ペア:

[(1, 214328947), (7, 30618421), (31, 6913837), (151, 1419397), (211, 1015777), (217, 987691), (961, 223027), (1057, 202771), (1477, 145111), (4681, 45787), (6541, 32767), (6727, 31861)]