17742789

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:214

約数の個数: 36

約数和(自身を含む): 27895296

約数和(自身を除く): 10152507

約数列:

[1, 3, 9, 19, 43, 57, 127, 129, 171, 361, 381, 387, 817, 1083, 1143, 2413, 2451, 3249, 5461, 7239, 7353, 15523, 16383, 21717, 45847, 46569, 49149, 103759, 137541, 139707, 311277, 412623, 933831, 1971421, 5914263, 17742789]

約数ペア:

[(1, 17742789), (3, 5914263), (9, 1971421), (19, 933831), (43, 412623), (57, 311277), (127, 139707), (129, 137541), (171, 103759), (361, 49149), (381, 46569), (387, 45847), (817, 21717), (1083, 16383), (1143, 15523), (2413, 7353), (2451, 7239), (3249, 5461)]