29987985

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2447}}^1$

素因数の和:2517

約数の個数: 32

約数和(自身を含む): 51701760

約数和(自身を除く): 21713775

約数列:

[1, 3, 5, 15, 19, 43, 57, 95, 129, 215, 285, 645, 817, 2447, 2451, 4085, 7341, 12235, 12255, 36705, 46493, 105221, 139479, 232465, 315663, 526105, 697395, 1578315, 1999199, 5997597, 9995995, 29987985]

約数ペア:

[(1, 29987985), (3, 9995995), (5, 5997597), (15, 1999199), (19, 1578315), (43, 697395), (57, 526105), (95, 315663), (129, 232465), (215, 139479), (285, 105221), (645, 46493), (817, 36705), (2447, 12255), (2451, 12235), (4085, 7341)]