51809949

素因数分解:

$3^4\times {\mathrm{523}}^1\times {\mathrm{1223}}^1$

素因数の和:1758

約数の個数: 20

約数和(自身を含む): 77606496

約数和(自身を除く): 25796547

約数列:

[1, 3, 9, 27, 81, 523, 1223, 1569, 3669, 4707, 11007, 14121, 33021, 42363, 99063, 639629, 1918887, 5756661, 17269983, 51809949]

約数ペア:

[(1, 51809949), (3, 17269983), (9, 5756661), (27, 1918887), (81, 639629), (523, 99063), (1223, 42363), (1569, 33021), (3669, 14121), (4707, 11007)]