27987593

素因数分解:

${\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:412

約数の個数: 16

約数和(自身を含む): 30493584

約数和(自身を除く): 2505991

約数列:

[1, 17, 61, 137, 197, 1037, 2329, 3349, 8357, 12017, 26989, 142069, 204289, 458813, 1646329, 27987593]

約数ペア:

[(1, 27987593), (17, 1646329), (61, 458813), (137, 204289), (197, 142069), (1037, 26989), (2329, 12017), (3349, 8357)]