204540903

素因数分解:

$3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{4211}}^1$

素因数の和:4484

約数の個数: 32

約数和(自身を含む): 347742720

約数和(自身を除く): 143201817

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 257, 771, 1799, 2313, 4211, 5397, 6939, 12633, 16191, 29477, 37899, 48573, 88431, 113697, 265293, 795879, 1082227, 3246681, 7575589, 9740043, 22726767, 29220129, 68180301, 204540903]

約数ペア:

[(1, 204540903), (3, 68180301), (7, 29220129), (9, 22726767), (21, 9740043), (27, 7575589), (63, 3246681), (189, 1082227), (257, 795879), (771, 265293), (1799, 113697), (2313, 88431), (4211, 48573), (5397, 37899), (6939, 29477), (12633, 16191)]