28639251

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{6203}}^1$

素因数の和:6237

約数の個数: 24

約数和(自身を含む): 45165120

約数和(自身を除く): 16525869

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 6203, 18609, 55827, 117857, 167481, 353571, 502443, 1060713, 1507329, 3182139, 9546417, 28639251]

約数ペア:

[(1, 28639251), (3, 9546417), (9, 3182139), (19, 1507329), (27, 1060713), (57, 502443), (81, 353571), (171, 167481), (243, 117857), (513, 55827), (1539, 18609), (4617, 6203)]