20967273

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3187}}^1$

素因数の和:3253

約数の個数: 24

約数和(自身を含む): 32823648

約数和(自身を除く): 11856375

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 3187, 6579, 9561, 28683, 54179, 137041, 162537, 411123, 487611, 1233369, 2329697, 6989091, 20967273]

約数ペア:

[(1, 20967273), (3, 6989091), (9, 2329697), (17, 1233369), (43, 487611), (51, 411123), (129, 162537), (153, 137041), (387, 54179), (731, 28683), (2193, 9561), (3187, 6579)]