2872429

素因数分解:

$7^2\times {\mathrm{31}}^2\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 18

約数和(自身を含む): 3509262

約数和(自身を除く): 636833

約数列:

[1, 7, 31, 49, 61, 217, 427, 961, 1519, 1891, 2989, 6727, 13237, 47089, 58621, 92659, 410347, 2872429]

約数ペア:

[(1, 2872429), (7, 410347), (31, 92659), (49, 58621), (61, 47089), (217, 13237), (427, 6727), (961, 2989), (1519, 1891)]