254236437

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{310423}}^1$

素因数の和:310449

約数の個数: 24

約数和(自身を含む): 451977344

約数和(自身を除く): 197740907

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 310423, 931269, 2172961, 2793807, 4035499, 6518883, 12106497, 19556649, 28248493, 36319491, 84745479, 254236437]

約数ペア:

[(1, 254236437), (3, 84745479), (7, 36319491), (9, 28248493), (13, 19556649), (21, 12106497), (39, 6518883), (63, 4035499), (91, 2793807), (117, 2172961), (273, 931269), (819, 310423)]