1223391

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 1873920

約数和(自身を除く): 650529

約数列:

[1, 3, 13, 19, 39, 57, 127, 169, 247, 381, 507, 741, 1651, 2413, 3211, 4953, 7239, 9633, 21463, 31369, 64389, 94107, 407797, 1223391]

約数ペア:

[(1, 1223391), (3, 407797), (13, 94107), (19, 64389), (39, 31369), (57, 21463), (127, 9633), (169, 7239), (247, 4953), (381, 3211), (507, 2413), (741, 1651)]