289913013

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{275321}}^1$

素因数の和:275346

約数の個数: 20

約数和(自身を含む): 466395468

約数和(自身を除く): 176482455

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 275321, 825963, 2477889, 3579173, 7433667, 10737519, 22301001, 32212557, 96637671, 289913013]

約数ペア:

[(1, 289913013), (3, 96637671), (9, 32212557), (13, 22301001), (27, 10737519), (39, 7433667), (81, 3579173), (117, 2477889), (351, 825963), (1053, 275321)]