1968381

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1279}}^1$

素因数の和:1310

約数の個数: 20

約数和(自身を含む): 3097600

約数和(自身を除く): 1129219

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1279, 1539, 3837, 11511, 24301, 34533, 72903, 103599, 218709, 656127, 1968381]

約数ペア:

[(1, 1968381), (3, 656127), (9, 218709), (19, 103599), (27, 72903), (57, 34533), (81, 24301), (171, 11511), (513, 3837), (1279, 1539)]