51321669

素因数分解:

$3^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{3203}}^1$

素因数の和:3329

約数の個数: 24

約数和(自身を含む): 80356320

約数和(自身を除く): 29034651

約数列:

[1, 3, 7, 21, 49, 109, 147, 327, 763, 2289, 3203, 5341, 9609, 16023, 22421, 67263, 156947, 349127, 470841, 1047381, 2443889, 7331667, 17107223, 51321669]

約数ペア:

[(1, 51321669), (3, 17107223), (7, 7331667), (21, 2443889), (49, 1047381), (109, 470841), (147, 349127), (327, 156947), (763, 67263), (2289, 22421), (3203, 16023), (5341, 9609)]