201638541

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{25981}}^1$

素因数の和:26196

約数の個数: 16

約数和(自身を含む): 290998400

約数和(自身を除く): 89359859

約数列:

[1, 3, 13, 39, 199, 597, 2587, 7761, 25981, 77943, 337753, 1013259, 5170219, 15510657, 67212847, 201638541]

約数ペア:

[(1, 201638541), (3, 67212847), (13, 15510657), (39, 5170219), (199, 1013259), (597, 337753), (2587, 77943), (7761, 25981)]