287431389

素因数分解:

$3^3\times 7^1\times {\mathrm{1520801}}^1$

素因数の和:1520817

約数の個数: 16

約数和(自身を含む): 486656640

約数和(自身を除く): 199225251

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1520801, 4562403, 10645607, 13687209, 31936821, 41061627, 95810463, 287431389]

約数ペア:

[(1, 287431389), (3, 95810463), (7, 41061627), (9, 31936821), (21, 13687209), (27, 10645607), (63, 4562403), (189, 1520801)]