51538209

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{67}}^2\times {\mathrm{89}}^1$

素因数の和:269

約数の個数: 24

約数和(自身を含む): 72182880

約数和(自身を除く): 20644671

約数列:

[1, 3, 43, 67, 89, 129, 201, 267, 2881, 3827, 4489, 5963, 8643, 11481, 13467, 17889, 193027, 256409, 399521, 579081, 769227, 1198563, 17179403, 51538209]

約数ペア:

[(1, 51538209), (3, 17179403), (43, 1198563), (67, 769227), (89, 579081), (129, 399521), (201, 256409), (267, 193027), (2881, 17889), (3827, 13467), (4489, 11481), (5963, 8643)]