420176889

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{823}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 691052544

約数和(自身を除く): 270875655

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 191, 243, 297, 573, 823, 891, 1719, 2101, 2469, 2673, 5157, 6303, 7407, 9053, 15471, 18909, 22221, 27159, 46413, 56727, 66663, 81477, 157193, 170181, 199989, 244431, 471579, 510543, 733293, 1414737, 1729123, 2199879, 4244211, 5187369, 12732633, 15562107, 38197899, 46686321, 140058963, 420176889]

約数ペア:

[(1, 420176889), (3, 140058963), (9, 46686321), (11, 38197899), (27, 15562107), (33, 12732633), (81, 5187369), (99, 4244211), (191, 2199879), (243, 1729123), (297, 1414737), (573, 733293), (823, 510543), (891, 471579), (1719, 244431), (2101, 199989), (2469, 170181), (2673, 157193), (5157, 81477), (6303, 66663), (7407, 56727), (9053, 46413), (15471, 27159), (18909, 22221)]