2821077

素因数分解:

$3^2\times 7^2\times {\mathrm{6397}}^1$

素因数の和:6417

約数の個数: 18

約数和(自身を含む): 4740918

約数和(自身を除く): 1919841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6397, 19191, 44779, 57573, 134337, 313453, 403011, 940359, 2821077]

約数ペア:

[(1, 2821077), (3, 940359), (7, 403011), (9, 313453), (21, 134337), (49, 57573), (63, 44779), (147, 19191), (441, 6397)]