1238890383

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{804997}}^1$

素因数の和:805028

約数の個数: 20

約数和(自身を含む): 1948095160

約数和(自身を除く): 709204777

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 804997, 2414991, 7244973, 15294943, 21734919, 45884829, 65204757, 137654487, 412963461, 1238890383]

約数ペア:

[(1, 1238890383), (3, 412963461), (9, 137654487), (19, 65204757), (27, 45884829), (57, 21734919), (81, 15294943), (171, 7244973), (513, 2414991), (1539, 804997)]