648021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{269}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 959040

約数和(自身を除く): 311019

約数列:

[1, 3, 11, 33, 73, 219, 269, 803, 807, 2409, 2959, 8877, 19637, 58911, 216007, 648021]

約数ペア:

[(1, 648021), (3, 216007), (11, 58911), (33, 19637), (73, 8877), (219, 2959), (269, 2409), (803, 807)]