28745055

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27773}}^1$

素因数の和:27807

約数の個数: 24

約数和(自身を含む): 51992928

約数和(自身を除く): 23247873

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27773, 83319, 138865, 249957, 416595, 638779, 1249785, 1916337, 3193895, 5749011, 9581685, 28745055]

約数ペア:

[(1, 28745055), (3, 9581685), (5, 5749011), (9, 3193895), (15, 1916337), (23, 1249785), (45, 638779), (69, 416595), (115, 249957), (207, 138865), (345, 83319), (1035, 27773)]