287156745

素因数分解:

$3^6\times 5^1\times {\mathrm{78781}}^1$

素因数の和:78804

約数の個数: 28

約数和(自身を含む): 516652356

約数和(自身を除く): 229495611

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 78781, 236343, 393905, 709029, 1181715, 2127087, 3545145, 6381261, 10635435, 19143783, 31906305, 57431349, 95718915, 287156745]

約数ペア:

[(1, 287156745), (3, 95718915), (5, 57431349), (9, 31906305), (15, 19143783), (27, 10635435), (45, 6381261), (81, 3545145), (135, 2127087), (243, 1181715), (405, 709029), (729, 393905), (1215, 236343), (3645, 78781)]