4057011

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{907}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 6799104

約数和(自身を除く): 2742093

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 907, 1491, 2721, 4473, 6349, 8163, 19047, 57141, 64397, 193191, 450779, 579573, 1352337, 4057011]

約数ペア:

[(1, 4057011), (3, 1352337), (7, 579573), (9, 450779), (21, 193191), (63, 64397), (71, 57141), (213, 19047), (497, 8163), (639, 6349), (907, 4473), (1491, 2721)]