15520549

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 18492320

約数和(自身を除く): 2971771

約数列:

[1, 11, 19, 43, 121, 157, 209, 473, 817, 1727, 2299, 2983, 5203, 6751, 8987, 18997, 32813, 74261, 98857, 128269, 360943, 816871, 1410959, 15520549]

約数ペア:

[(1, 15520549), (11, 1410959), (19, 816871), (43, 360943), (121, 128269), (157, 98857), (209, 74261), (473, 32813), (817, 18997), (1727, 8987), (2299, 6751), (2983, 5203)]