51031321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 59911488

約数和(自身を除く): 8880167

約数列:

[1, 11, 19, 71, 181, 209, 361, 781, 1349, 1991, 3439, 3971, 12851, 14839, 25631, 37829, 65341, 141361, 244169, 281941, 718751, 2685859, 4639211, 51031321]

約数ペア:

[(1, 51031321), (11, 4639211), (19, 2685859), (71, 718751), (181, 281941), (209, 244169), (361, 141361), (781, 65341), (1349, 37829), (1991, 25631), (3439, 14839), (3971, 12851)]