27955719

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:273

約数の個数: 48

約数和(自身を含む): 46816000

約数和(自身を除く): 18860281

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 121, 129, 199, 297, 363, 387, 473, 597, 1089, 1161, 1419, 1791, 2189, 3267, 4257, 5203, 5373, 6567, 8557, 12771, 15609, 19701, 24079, 25671, 46827, 59103, 72237, 77013, 94127, 140481, 216711, 231039, 282381, 650133, 847143, 1035397, 2541429, 3106191, 9318573, 27955719]

約数ペア:

[(1, 27955719), (3, 9318573), (9, 3106191), (11, 2541429), (27, 1035397), (33, 847143), (43, 650133), (99, 282381), (121, 231039), (129, 216711), (199, 140481), (297, 94127), (363, 77013), (387, 72237), (473, 59103), (597, 46827), (1089, 25671), (1161, 24079), (1419, 19701), (1791, 15609), (2189, 12771), (3267, 8557), (4257, 6567), (5203, 5373)]